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  3. Color Contrast Checker

Color Contrast Checker

Check WCAG contrast ratio between foreground and background colors. AA/AAA compliance.

Sample text preview

Contrast ratio: 21:1

AA Normal text (4.5:1): Pass
AA Large text (3:1): Pass
AAA Normal text (7:1): Pass
AAA Large text (4.5:1): Pass

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›How it works
  1. 1Enter or pick the foreground (text) color.
  2. 2Enter or pick the background color.
  3. 3The contrast ratio is calculated using WCAG 2.1 formula.
  4. 4See pass/fail for AA (4.5:1 normal, 3:1 large) and AAA (7:1 normal, 4.5:1 large) levels.