---
title: userInterfaceStyle
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uitraitcollection/userinterfacestyle
---

# userInterfaceStyle

The style associated with the user interface.

## Declaration

```swift
var userInterfaceStyle: UIUserInterfaceStyle { get }
```

## Discussion

Discussion Use this trait to determine whether your interface should be configured with a dark or light appearance. The default value of this trait is set to the corresponding appearance setting on the user’s device.

## See Also

### Retrieving interface-related traits

- [UIUserInterfaceStyle](uikit/uiuserinterfacestyle.md)
- [userInterfaceIdiom](uikit/uitraitcollection/userinterfaceidiom.md)
- [UIUserInterfaceIdiom](uikit/uiuserinterfaceidiom.md)
- [userInterfaceLevel](uikit/uitraitcollection/userinterfacelevel.md)
- [UIUserInterfaceLevel](uikit/uiuserinterfacelevel.md)
- [layoutDirection](uikit/uitraitcollection/layoutdirection.md)
- [UITraitEnvironmentLayoutDirection](uikit/uitraitenvironmentlayoutdirection.md)
- [resolvesNaturalAlignmentWithBaseWritingDirection](uikit/uitraitcollection/resolvesnaturalalignmentwithbasewritingdirection-58wlh.md)
- [accessibilityContrast](uikit/uitraitcollection/accessibilitycontrast.md)
- [UIAccessibilityContrast](uikit/uiaccessibilitycontrast.md)
- [legibilityWeight](uikit/uitraitcollection/legibilityweight.md)
- [UILegibilityWeight](uikit/uilegibilityweight.md)
- [activeAppearance](uikit/uitraitcollection/activeappearance.md)
- [UIUserInterfaceActiveAppearance](uikit/uiuserinterfaceactiveappearance.md)
- [toolbarItemPresentationSize](uikit/uitraitcollection/toolbaritempresentationsize.md)