Contrast Checker
Check color contrast ratios and WCAG AA compliance for text readability.
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Contrast ratio result will appear here.
Frequently Asked Questions
What is a contrast ratio?
A contrast ratio measures the luminance difference between two colors, ranging from 1:1 (no contrast) to 21:1 (maximum contrast).
What contrast ratio is needed for WCAG AA?
WCAG AA requires 4.5:1 for normal text and 3:1 for large text (18pt or 14pt bold).