diff --git a/misc/desktoputils.cpp b/misc/desktoputils.cpp
index e487875..dea7aeb 100644
--- a/misc/desktoputils.cpp
+++ b/misc/desktoputils.cpp
@@ -2,6 +2,10 @@
 
 #include <QDesktopServices>
 #include <QUrl>
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 5, 0))
+#include <QGuiApplication>
+#include <QStyleHints>
+#endif
 #ifdef Q_OS_WIN32
 #include <QFileInfo>
 #endif
@@ -41,11 +45,28 @@ bool openLocalFileOrDir(const QString &path)
 
 /*!
  * \brief Returns whether \a palette is dark.
- * \remarks Just call with no argument to check for the default palette to see whether "dark mode" is enabled.
  */
 bool isPaletteDark(const QPalette &palette)
 {
     return palette.color(QPalette::WindowText).lightness() > palette.color(QPalette::Window).lightness();
 }
 
+/*!
+ * \brief Returns whether dark mode is enabled.
+ * \remarks Whether dark mode is enabled can only be determined on Qt 6.5 or newer and only on certain
+ *          platforms. If it cannot be determined, std::nullopt is returned.
+ */
+std::optional<bool> isDarkModeEnabled()
+{
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 5, 0))
+    if (const auto *const styleHints = QGuiApplication::styleHints()) {
+        const auto colorScheme = styleHints->colorScheme();
+        if (colorScheme != Qt::ColorScheme::Unknown) {
+            return colorScheme == Qt::ColorScheme::Dark;
+        }
+    }
+#endif
+    return std::nullopt;
+}
+
 } // namespace QtUtilities
diff --git a/misc/desktoputils.h b/misc/desktoputils.h
index 0b54187..a67abc6 100644
--- a/misc/desktoputils.h
+++ b/misc/desktoputils.h
@@ -5,12 +5,15 @@
 
 #include <QPalette>
 
+#include <optional>
+
 QT_FORWARD_DECLARE_CLASS(QString)
 
 namespace QtUtilities {
 
 QT_UTILITIES_EXPORT bool openLocalFileOrDir(const QString &path);
 QT_UTILITIES_EXPORT bool isPaletteDark(const QPalette &palette = QPalette());
+QT_UTILITIES_EXPORT std::optional<bool> isDarkModeEnabled();
 
 } // namespace QtUtilities
 
diff --git a/resources/resources.cpp b/resources/resources.cpp
index 2312e10..fc61220 100644
--- a/resources/resources.cpp
+++ b/resources/resources.cpp
@@ -313,10 +313,14 @@ bool hasCoreApp()
  */
 void setupCommonQtApplicationAttributes()
 {
-    // enable dark window frame on Windows if the configured color palette is dark (supported as of Qt 6.4)
-    // see https://bugreports.qt.io/browse/QTBUG-72028?focusedCommentId=677819#comment-677819
-#if defined(Q_OS_WINDOWS) && (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
-    if (QLibraryInfo::version() >= QVersionNumber(6, 4, 0) && !qEnvironmentVariableIsSet("QT_QPA_PLATFORM")) {
+    // enable dark window frame on Windows if the configured color palette is dark
+    // - supported as of Qt 6.4; no longer required as of Qt 6.5
+    // - see https://bugreports.qt.io/browse/QTBUG-72028?focusedCommentId=677819#comment-677819
+    //   and https://www.qt.io/blog/dark-mode-on-windows-11-with-qt-6.5
+#if defined(Q_OS_WINDOWS) && (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)) && (QT_VERSION < QT_VERSION_CHECK(6, 5, 0))
+    if (const auto qtVersion = QLibraryInfo::version();
+            qtVersion >= QVersionNumber(6, 4, 0) && qtVersion < QVersionNumber(6, 5, 0)
+            && !qEnvironmentVariableIsSet("QT_QPA_PLATFORM")) {
         qputenv("QT_QPA_PLATFORM", "windows:darkmode=1");
     }
 #endif