---
title: UIBlurEffect.Style.systemUltraThinMaterialDark
framework: uikit
role: symbol
role_heading: Case
path: uikit/uiblureffect/style/systemultrathinmaterialdark
---

# UIBlurEffect.Style.systemUltraThinMaterialDark

A blur effect that creates the appearance of an ultra-thin material and is always dark.

## Declaration

```swift
case systemUltraThinMaterialDark
```

## See Also

### Dark styles

- [UIBlurEffect.Style.systemThinMaterialDark](uikit/uiblureffect/style/systemthinmaterialdark.md)
- [UIBlurEffect.Style.systemMaterialDark](uikit/uiblureffect/style/systemmaterialdark.md)
- [UIBlurEffect.Style.systemThickMaterialDark](uikit/uiblureffect/style/systemthickmaterialdark.md)
- [UIBlurEffect.Style.systemChromeMaterialDark](uikit/uiblureffect/style/systemchromematerialdark.md)