Color Contrast Checker
Check foreground and background color contrast against WCAG 2.1 accessibility standards. Get instant pass/fail results and suggested fixes.
Colors
WCAG 2.1 Compliance
Accessible Presets
Heading Text
This is how your body text will appear with the selected color combination. Good contrast ensures readability for all users.
Smaller text at 14px — harder to read with low contrast.
About WCAG 2.1
The Web Content Accessibility Guidelines define minimum contrast ratios. AA requires 4.5:1 for normal text and 3:1 for large text (18px+ bold or 24px+ regular). AAA requires 7:1 and 4.5:1 respectively.