Color Contrast Checker

Check foreground and background color contrast ratios against WCAG AA and AAA accessibility standards.

Today: 4
Free & Online

Large Text (18pt / 14pt bold)

Normal text body copy — The quick brown fox jumps over the lazy dog.

Small placeholder text example at 12px.

Contrast Ratio
WCAG AA
Normal Text (4.5:1)
Large Text (3:1)
WCAG AAA
Normal Text (7:1)
Large Text (4.5:1)

Quick presets:

Color of the Day May 08, 2026

Vivid Cyan

HSL(175, 83%, 59%) #40EDDF

Recent Activity

Checked #ec4899 on #06b6d4 — Ratio: 13.5:1

8m ago

Checked #1a1a2e on #ef4444 — Ratio: 4.6:1

26m ago

Checked #334155 on #1a1a2e — Ratio: 13.7:1

18m ago

Checked #10b981 on #f59e0b — Ratio: 4.8:1

44m ago

Did You Know?

About 2.2 billion people globally have some form of vision impairment — proper contrast helps all of them.

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