Color Contrast Quick

Instant WCAG contrast checks. Nothing leaves your browser.

Foreground (text)

Background

17.40:1

Sample heading text
The quick brown fox jumps over the lazy dog.

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Check Color Contrast Instantly

Pick a text and background color, see the WCAG contrast ratio and pass or fail results right away.

Single pair check: foreground and background color
Contrast ratio shown to 2 decimals (e.g. 4.54:1)
WCAG 2.1 pass/fail for AA normal text (4.5), AA large text (3), AAA normal text (7), AAA large text (4.5), UI components (3)
Live preview of sample text in the chosen colors
Swap colors button
Native color picker plus hex text input
Copy ratio and copy result summary as text
Unlimited checks

100% private — your data never leaves your device. v1.0.0