DDoc80Tools
中文/EN

Color contrast checker

Measure contrast between text and background colors.

Local processing
Instructions and limits
  1. Enter text and background colors in HEX, RGB or HSL.
  2. Check contrast to see the ratio, sample text and AA/AAA results.

Results use the WCAG 2 text contrast formula for two solid colors; they do not assess actual font size or other page accessibility issues.