Color Contrast Checker
Compare two opaque colors against WCAG text contrast thresholds.
How to use this tool
- Enter your values in the labelled fields.
- Choose the direction or options, then select Run tool.
- Review the result and copy it when ready.
AA requires at least 4.5:1 for normal text and 3:1 for large text. AAA requires 7:1 and 4.5:1 respectively. Font size, weight and other accessibility requirements still apply.
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