Contrast Ratio
21:1
Preview
Sample Text Abc 123
Large Text (18pt+)
| Normal Text | Large Text | |
|---|---|---|
| WCAG AA | 4.5:1 or higher | 3:1 or higher |
| WCAG AAA | 7:1 or higher | 4.5:1 or higher |
使用方法
Pick foreground and background colors to see the contrast ratio and WCAG compliance status.
- Contrast ratio calculation
- WCAG AA/AAA rating
- Real-time preview
- Color swap function
使用案例
- Verify text/background color accessibility
- Check WCAG AA/AAA compliance