Color Contrast Checker

Enter a text color and background color to calculate the contrast ratio and see whether it passes WCAG AA and AAA accessibility standards.

Text color

Background color

The quick brown fox

Sample body text at normal size, for reference.

14.68:1

AA — normal text (4.5:1)

AA — large text (3:1)

AAA — normal text (7:1)

AAA — large text (4.5:1)

Example input

#1F2937 on #FFFFFF

Example output

13.15:1 — passes AAA