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Check the contrast ratio between two colors against WCAG 2.1 AA and AAA accessibility standards for normal and large text, with a live preview.
Aa Bb Cc
The quick brown fox jumps over the lazy dog.
Contrast Ratio
20.38:1
WCAG 2.1 requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text (AA), or 7:1 and 4.5:1 respectively for AAA compliance.