What ratio do I need for AA?

Normal text needs at least 4.5:1. Large text needs at least 3:1.

Color Contrast Checker

WCAG AA / AAA contrast ratio for two hex colors.

Pick two colors to see contrast ratio and WCAG AA / AAA pass or fail for normal text.

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Uses WCAG 2.x relative luminance. Normal text AA = 4.5:1, AAA = 7:1.

Foreground (text)

Background

Large heading sample

Body text sample — make sure this stays readable.

Files and text are processed in your browser whenever possible. We only meter usage to enforce free limits.

What ratio do I need for AA?: Normal text needs at least 4.5:1. Large text needs at least 3:1.
What about AAA?: AAA for normal text needs 7:1.

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