Color Contrast Checker

Test text and background colors against WCAG AA and AAA contrast thresholds.

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Color Contrast Checker

Check WCAG AA and AAA contrast ratios between foreground and background colors.

Colors
Aa — Sample Text Preview
WCAG Report
Click Check Contrast for WCAG analysis.
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What is a Color Contrast Checker?

A Color Contrast Checker calculates the contrast ratio between foreground text and background colors. Designers and developers use it to make sure text is readable and meets WCAG accessibility requirements for normal and large text.

How to Use Color Contrast Checker

  1. Choose the text color.
  2. Choose the background color.
  3. Review the contrast ratio and WCAG pass/fail results.
  4. Adjust the colors until they pass the target accessibility level.

Frequently Asked Questions

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