About this tool
Enter text and background colors (HEX) to get the contrast ratio and WCAG AA/AAA result.
When to use it
- Design interfaces.
- Check accessibility.
- Choose colors.
Example#000000 on #FFFFFF → 21:1 (AAA).
How to use
- Enter text color.
- Enter background color.
- Click "Check".
What are AA and AAA?
WCAG levels (4.5:1 and 7:1 for normal text).
Supports HEX?
Yes.
Is data uploaded?
No, processing is local.
Large text?
≥18pt or 14pt bold.
Transparency?
Not in this version.