WCAG Color Contrast Checker

Check text/background contrast ratio and WCAG AA/AAA compliance for accessibility.

Preview

Normal Text Preview

The quick brown fox jumps over the lazy dog. Accessibility checks help ensure readable UI.

Large Text Preview

Results

Contrast Ratio

17.74:1

AA (Normal Text)Pass

AAA (Normal Text)Pass

AA (Large Text)Pass

AAA (Large Text)Pass

FAQ

What WCAG checks are included?

The tool checks AA and AAA compliance for both normal-size text and large text.

How is contrast ratio calculated?

It uses the WCAG luminance formula to calculate contrast ratio between foreground and background colors.

Can I test both hex input and color picker values?

Yes. You can enter hex codes manually or choose colors with the built-in color pickers.