WCAG Color Contrast Checker

Evaluate text readability against WCAG 2.1 accessibility requirements. Calculate contrast ratios for AA and AAA compliance easily.

Accessibility Color Inputs

Sample Heading Text

This is a paragraph example testing text contrast readability against WCAG 2.1 guidelines.

Contrast Ratio
21:1
WCAG AA Normal
PASS
WCAG AAA Normal
PASS
Evaluate text readability against WCAG 2.1 accessibility requirements (AA & AAA compliance).

What is a Color Contrast Checker?

A Color Contrast Checker evaluates luminance ratios between text and background colors according to Web Content Accessibility Guidelines (WCAG).

How to Use

  1. Select text and background colors.
  2. Check the calculated contrast ratio score.
  3. Ensure AA (minimum 4.5:1) or AAA (minimum 7:1) compliance badges pass.
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