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Color Contrast Checker

Check a foreground/background colour pair against the WCAG AA and AAA contrast thresholds.

Text colour

Background colour

Large text preview (24px bold)

Normal text preview looks like this at typical body copy size.

Contrast ratio:

Normal text

AA (4.5:1):

AAA (7:1):

Large text (18pt+/14pt+ bold)

AA (3:1):

AAA (4.5:1):