WCAG Contrast Checker

Check foreground/background color contrast against WCAG 2.1 AA and AAA standards

Normal Text Preview

This is what normal-sized text looks like with these colors. Readability matters for everyone.

Large Text (18pt / 14pt bold)

CONTRAST RATIO

11.50:1

Max possible: 21:1

(black on white)

WCAG AA

Normal text (≥4.5:1)

PASS

WCAG AA

Large text (≥3:1)

PASS

WCAG AAA

Normal text (≥7:1)

PASS

WCAG AAA

Large text (≥4.5:1)

PASS

Foreground luminance

0.0413

Background luminance

1.0000

PRESETS

Based on WCAG 2.1 — all calculations happen in your browser.