Colour Contrast Checker

WCAG AA and AAA, checked on real text

Large heading text

This is body text. Check whether a long paragraph stays comfortable to read at this size.

Bold 18.66px+ counts as large text

Text colour

Background

Contrast ratio (1:1 ~ 21:1)

AA · Normal text

4.5:1

AA · Large text

3:1

AAA · Normal text

7:1

AAA · Large text

4.5:1

Calculated with the WCAG 2.1 relative luminance formula. "Large text" means 18.66px or larger in bold, or 24px or larger otherwise.