diff --git a/.gitignore b/.gitignore
index 4750699..96d0573 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,3 +51,4 @@ override.tf.json
 
 .terraformrc
 terraform.rc
+/.eslintcache
diff --git a/src/main/store/store.ts b/src/main/store/store.ts
index fbfa18d..f973fda 100644
--- a/src/main/store/store.ts
+++ b/src/main/store/store.ts
@@ -10,6 +10,7 @@ const store = new Store({
         enabled: false,
         interval: 30000,
       },
+      darkMode: false,
       esApiKey: "",
     },
     app: {
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index 571f7ca..27f36e5 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -1,5 +1,5 @@
-import { ConfigProvider, Layout } from "antd";
-import { FC, useEffect } from "react";
+import { ConfigProvider, Layout, theme } from "antd";
+import { FC, useCallback, useEffect, useMemo, useState } from "react";
 import { ErrorBoundary } from "react-error-boundary";
 import { Provider } from "react-redux";
 import { HashRouter, Route, Routes, useNavigate } from "react-router";
@@ -9,8 +9,11 @@ import Settings from "./components/Settings/Settings";
 import UpdateAvailable from "./components/UpdateAvailable/UpdateAvailable";
 import reduxStore from "./redux/redux-store";
 import { NotificationProvider } from "./util/notificationContext";
+import { ThemeModeContext } from "./util/themeModeContext";
 import ipcTypes from "../../util/ipcTypes.json";
 
+const { darkAlgorithm, defaultAlgorithm } = theme;
+
 const ScrubHistoryNavigationBridge: FC = () => {
   const navigate = useNavigate();
 
@@ -34,53 +37,112 @@ const ScrubHistoryNavigationBridge: FC = () => {
   return null;
 };
 
-const App: FC = () => {
+const AppShell: FC = () => {
+  const { token } = theme.useToken();
+
   return (
-    <ConfigProvider
-      theme={{
-        token: {
-          borderRadius: 8,
-        },
-        components: {
-          Card: {
-            boxShadow: "0 2px 8px rgba(0, 0, 0, 0.1)",
-          },
-        },
-      }}
-    >
-      <Provider store={reduxStore}>
-        <HashRouter>
-          <ErrorBoundary FallbackComponent={ErrorBoundaryFallback}>
-            <NotificationProvider>
-              <ScrubHistoryNavigationBridge />
-              <Layout
+    <Provider store={reduxStore}>
+      <HashRouter>
+        <ErrorBoundary FallbackComponent={ErrorBoundaryFallback}>
+          <NotificationProvider>
+            <ScrubHistoryNavigationBridge />
+            <Layout
+              style={{
+                height: "100vh",
+                minHeight: 0,
+                overflow: "hidden",
+                background: token.colorBgLayout,
+              }}
+            >
+              <Layout.Content
                 style={{
-                  height: "100vh",
+                  height: "100%",
                   minHeight: 0,
-                  overflow: "hidden",
-                  background: "#f0f2f5",
+                  overflow: "auto",
+                  padding: "24px",
                 }}
               >
-                <Layout.Content
-                  style={{
-                    height: "100%",
-                    minHeight: 0,
-                    overflow: "auto",
-                    padding: "24px",
-                  }}
-                >
-                  <UpdateAvailable />
-                  <Routes>
-                    <Route path="/" element={<Home />} />
-                    <Route path="/settings" element={<Settings />} />
-                  </Routes>
-                </Layout.Content>
-              </Layout>
-            </NotificationProvider>
-          </ErrorBoundary>
-        </HashRouter>
-      </Provider>
-    </ConfigProvider>
+                <UpdateAvailable />
+                <Routes>
+                  <Route path="/" element={<Home />} />
+                  <Route path="/settings" element={<Settings />} />
+                </Routes>
+              </Layout.Content>
+            </Layout>
+          </NotificationProvider>
+        </ErrorBoundary>
+      </HashRouter>
+    </Provider>
+  );
+};
+
+const App: FC = () => {
+  const [isDarkMode, setIsDarkMode] = useState<boolean>(false);
+
+  useEffect(() => {
+    let cancelled = false;
+
+    window.electron.ipcRenderer
+      .invoke(ipcTypes.toMain.settings.get, "darkMode")
+      .then((value: unknown) => {
+        if (!cancelled) {
+          setIsDarkMode(value === true);
+        }
+      })
+      .catch((error) => {
+        console.error("Failed to load dark mode setting", error);
+      });
+
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  useEffect(() => {
+    document.documentElement.dataset.theme = isDarkMode ? "dark" : "light";
+    document.documentElement.style.colorScheme = isDarkMode ? "dark" : "light";
+  }, [isDarkMode]);
+
+  const updateDarkMode = useCallback((enabled: boolean): void => {
+    setIsDarkMode(enabled);
+    window.electron.ipcRenderer
+      .invoke(ipcTypes.toMain.settings.set, "darkMode", enabled)
+      .catch((error) => {
+        console.error("Failed to save dark mode setting", error);
+      });
+  }, []);
+
+  const themeModeContextValue = useMemo(
+    () => ({
+      isDarkMode,
+      setDarkMode: updateDarkMode,
+    }),
+    [isDarkMode, updateDarkMode],
+  );
+
+  const appTheme = useMemo(
+    () => ({
+      algorithm: isDarkMode ? darkAlgorithm : defaultAlgorithm,
+      token: {
+        borderRadius: 8,
+      },
+      components: {
+        Card: {
+          boxShadow: isDarkMode
+            ? "0 2px 8px rgba(0, 0, 0, 0.45)"
+            : "0 2px 8px rgba(0, 0, 0, 0.1)",
+        },
+      },
+    }),
+    [isDarkMode],
+  );
+
+  return (
+    <ThemeModeContext.Provider value={themeModeContextValue}>
+      <ConfigProvider theme={appTheme}>
+        <AppShell />
+      </ConfigProvider>
+    </ThemeModeContext.Provider>
   );
 };
 
diff --git a/src/renderer/src/components/Settings/Settings.Appearance.tsx b/src/renderer/src/components/Settings/Settings.Appearance.tsx
new file mode 100644
index 0000000..c36ab47
--- /dev/null
+++ b/src/renderer/src/components/Settings/Settings.Appearance.tsx
@@ -0,0 +1,33 @@
+import { Card, Flex, Space, Switch, Typography } from "antd";
+import { FC } from "react";
+import { useTranslation } from "react-i18next";
+import { useThemeMode } from "@renderer/util/themeModeContext";
+
+const SettingsAppearance: FC = () => {
+  const { t } = useTranslation();
+  const { isDarkMode, setDarkMode } = useThemeMode();
+
+  return (
+    <Card title={t("settings.labels.appearance")}>
+      <Flex align="center" justify="space-between" gap="large" wrap>
+        <Space orientation="vertical" size={2}>
+          <Typography.Text strong>
+            {t("settings.labels.darkMode")}
+          </Typography.Text>
+          <Typography.Text type="secondary">
+            {t("settings.labels.darkModeDescription")}
+          </Typography.Text>
+        </Space>
+
+        <Switch
+          checked={isDarkMode}
+          checkedChildren={t("settings.labels.dark")}
+          unCheckedChildren={t("settings.labels.light")}
+          onChange={setDarkMode}
+        />
+      </Flex>
+    </Card>
+  );
+};
+
+export default SettingsAppearance;
diff --git a/src/renderer/src/components/Settings/Settings.tsx b/src/renderer/src/components/Settings/Settings.tsx
index 5938a2d..0b3efd1 100644
--- a/src/renderer/src/components/Settings/Settings.tsx
+++ b/src/renderer/src/components/Settings/Settings.tsx
@@ -3,6 +3,7 @@ import { Button, Space } from "antd";
 import { ArrowLeftOutlined } from "@ant-design/icons";
 import { FC } from "react";
 import { useNavigate } from "react-router";
+import SettingsAppearance from "./Settings.Appearance";
 import SettingsConfig from "./Settings.Config";
 import SettingsWatcher from "./Settings.Watcher";
 
@@ -10,20 +11,30 @@ const Settings: FC = () => {
   const navigate = useNavigate();
 
   return (
-    <Space orientation="vertical" size="large" style={{ width: "100%" }}>
-      <Button
-        type="text"
-        icon={<ArrowLeftOutlined />}
-        onClick={() => navigate("/")}
-        style={{ alignSelf: "flex-start" }}
-      >
-        Back
-      </Button>
+    <div
+      style={{
+        maxWidth: "1400px",
+        height: "100%",
+        margin: "0 auto",
+      }}
+    >
+      <Space orientation="vertical" size="large" style={{ width: "100%" }}>
+        <Button
+          type="text"
+          icon={<ArrowLeftOutlined />}
+          onClick={() => navigate("/")}
+          style={{ alignSelf: "flex-start" }}
+        >
+          Back
+        </Button>
 
-      <SettingsWatcher />
+        <SettingsAppearance />
 
-      <SettingsConfig />
-    </Space>
+        <SettingsWatcher />
+
+        <SettingsConfig />
+      </Space>
+    </div>
   );
 };
 
diff --git a/src/renderer/src/util/themeModeContext.ts b/src/renderer/src/util/themeModeContext.ts
new file mode 100644
index 0000000..3b6e187
--- /dev/null
+++ b/src/renderer/src/util/themeModeContext.ts
@@ -0,0 +1,18 @@
+import { createContext, useContext } from "react";
+
+export type ThemeModeContextValue = {
+  isDarkMode: boolean;
+  setDarkMode: (enabled: boolean) => void;
+};
+
+export const ThemeModeContext = createContext<ThemeModeContextValue | null>(
+  null,
+);
+
+export function useThemeMode(): ThemeModeContextValue {
+  const context = useContext(ThemeModeContext);
+  if (!context) {
+    throw new Error("useThemeMode must be used within ThemeModeContext.");
+  }
+  return context;
+}
diff --git a/src/util/translations/en-US/renderer.json b/src/util/translations/en-US/renderer.json
index 5701936..80ce4eb 100644
--- a/src/util/translations/en-US/renderer.json
+++ b/src/util/translations/en-US/renderer.json
@@ -1,83 +1,88 @@
 {
-	"translation": {
-		"auth": {
-			"labels": {
-				"welcome": "Hi {{name}}"
-			},
-			"login": {
-				"error": "The username and password combination provided is not valid.",
-				"login": "Log In",
-				"resetpassword": "Reset Password"
-			}
-		},
-		"dashboard": {
-			"actions": {
-				"clear_all": "Clear All"
-			},
-			"labels": {
-				"dashboard": "Dashboard",
-				"estimate_scrub_history": "Scrub History",
-				"last_processed": "Last Processed at",
-				"scrub_results": "Scrub Results",
-				"total_estimates": "Total Estimates"
-			}
-		},
-		"errors": {
-			"errorboundary": "Uh oh - we've hit an error.",
-			"notificationtitle": "Error Encountered"
-		},
-		"navigation": {
-			"home": "Home",
-			"settings": "Settings",
-			"signout": "Sign Out"
-		},
-		"settings": {
-			"actions": {
-				"addpath": "Add path",
-				"startwatcher": "Start Watcher",
-				"stopwatcher": "Stop Watcher\n"
-			},
-			"errors": {
-				"duplicatePath": "The selected directory is already used in another configuration."
-			},
-			"labels": {
-				"actions": "Actions",
-				"addPaintScalePath": "Add Paint Scale Path",
-				"config": "Configuration",
-				"emsOutFilePath": "EMS Out File Path (Parts Order,  etc.)",
-				"esApiKey": "Estimate Scrubber API Key",
-				"invalidPath": "Path not set or invalid",
-				"paintScalePath": "Paint Scale Path",
-				"paintScaleSettingsInput": "BSMS To Paint Scale",
-				"paintScaleSettingsOutput": "Paint Scale To BSMS",
-				"paintScaleType": "Paint Scale Type",
-				"pollingInterval": "Polling Interval (m)",
-				"pollinginterval": "Polling Interval (ms)",
-				"ppcfilepath": "Parts Price Change File Path",
-				"remove": "Remove",
-				"selectPaintScaleType": "Select Paint Scale Type",
-				"started": "Started",
-				"stopped": "Stopped",
-				"validPath": "Valid path",
-				"watchedpaths": "Watched Paths",
-				"watchermodepolling": "Polling",
-				"watchermoderealtime": "Real Time",
-				"watcherstatus": "Watcher Status"
-			},
-			"validation": {
-				"esApiKeyRequired": "Estimate Scrubber API Key is required."
-			}
-		},
-		"title": {
-			"imex": "ImEX Online",
-			"rome": "Rome Online"
-		},
-		"updates": {
-			"apply": "Apply Update",
-			"applying": "Applying update",
-			"available": "An update is available.",
-			"download": "Download Update",
-			"downloading": "An update is downloading."
-		}
-	}
+  "translation": {
+    "auth": {
+      "labels": {
+        "welcome": "Hi {{name}}"
+      },
+      "login": {
+        "error": "The username and password combination provided is not valid.",
+        "login": "Log In",
+        "resetpassword": "Reset Password"
+      }
+    },
+    "dashboard": {
+      "actions": {
+        "clear_all": "Clear All"
+      },
+      "labels": {
+        "dashboard": "Dashboard",
+        "estimate_scrub_history": "Scrub History",
+        "last_processed": "Last Processed at",
+        "scrub_results": "Scrub Results",
+        "total_estimates": "Total Estimates"
+      }
+    },
+    "errors": {
+      "errorboundary": "Uh oh - we've hit an error.",
+      "notificationtitle": "Error Encountered"
+    },
+    "navigation": {
+      "home": "Home",
+      "settings": "Settings",
+      "signout": "Sign Out"
+    },
+    "settings": {
+      "actions": {
+        "addpath": "Add path",
+        "startwatcher": "Start Watcher",
+        "stopwatcher": "Stop Watcher\n"
+      },
+      "errors": {
+        "duplicatePath": "The selected directory is already used in another configuration."
+      },
+      "labels": {
+        "actions": "Actions",
+        "addPaintScalePath": "Add Paint Scale Path",
+        "appearance": "Appearance",
+        "config": "Configuration",
+        "dark": "Dark",
+        "darkMode": "Dark Mode",
+        "darkModeDescription": "Use the dark application theme.",
+        "emsOutFilePath": "EMS Out File Path (Parts Order,  etc.)",
+        "esApiKey": "Estimate Scrubber API Key",
+        "invalidPath": "Path not set or invalid",
+        "light": "Light",
+        "paintScalePath": "Paint Scale Path",
+        "paintScaleSettingsInput": "BSMS To Paint Scale",
+        "paintScaleSettingsOutput": "Paint Scale To BSMS",
+        "paintScaleType": "Paint Scale Type",
+        "pollingInterval": "Polling Interval (m)",
+        "pollinginterval": "Polling Interval (ms)",
+        "ppcfilepath": "Parts Price Change File Path",
+        "remove": "Remove",
+        "selectPaintScaleType": "Select Paint Scale Type",
+        "started": "Started",
+        "stopped": "Stopped",
+        "validPath": "Valid path",
+        "watchedpaths": "Watched Paths",
+        "watchermodepolling": "Polling",
+        "watchermoderealtime": "Real Time",
+        "watcherstatus": "Watcher Status"
+      },
+      "validation": {
+        "esApiKeyRequired": "Estimate Scrubber API Key is required."
+      }
+    },
+    "title": {
+      "imex": "ImEX Online",
+      "rome": "Rome Online"
+    },
+    "updates": {
+      "apply": "Apply Update",
+      "applying": "Applying update",
+      "available": "An update is available.",
+      "download": "Download Update",
+      "downloading": "An update is downloading."
+    }
+  }
 }