WCAG Color Contrast Checker

Check contrast ratios between foreground text and background colors against WCAG 2.1 Level AA (4.5:1) and Level AAA (7:1) web accessibility guidelines.

Key Features

• Calculates exact relative luminosity ratio
• Live text preview component with swap colors toggle
• Pass/Fail indicators for WCAG AA, AA Large, and AAA
• RGB, HEX, and HSL support

Frequently Asked Questions

Is the WCAG 2.1 Color Contrast Checker free to use?

Yes, DODDY's WCAG 2.1 Color Contrast Checker is 100% free with no account registration, subscriptions, watermarks, or usage limits.

What contrast ratio is required for WCAG AA normal text?

WCAG 2.1 Level AA requires a minimum contrast ratio of 4.5:1 for normal body text.

Are my files and data kept private when using WCAG 2.1 Color Contrast Checker?

Yes. All computations and file transformations run locally within your web browser. Your confidential data is never transferred to external servers.