Is Color Contrast Checker free to use?

Yes, Color Contrast Checker is completely free to use. No signup or account is required. All processing runs in your browser, so your data stays private.

Is my data safe with Color Contrast Checker?

Absolutely. All processing happens locally in your browser. Your files and data are never uploaded to any server, ensuring complete privacy and security.

Developer Tools

Color Contrast Checker

Test text and background colors for WCAG compliance

Text Color (Hex)

Background Color (Hex)

Contrast Statistics

Contrast Ratio:3.68 : 1

Normal Text (WCAG AA - 4.5:1)

FAIL

Large Text (WCAG AA - 3.0:1)

PASS

Normal Text (WCAG AAA - 7.0:1)

FAIL

Large Text (WCAG AAA - 4.5:1)

FAIL

Large Text Sample (Bold)Normal text sample. This shows how your color combination looks in practice for paragraph text.

About Color Contrast Checker

Check relative color contrast compliance ratios under WCAG 2.1 accessibility specifications. Shows AA and AAA status details for small and large texts with real-time swatch preview.

Ensures your website designs remain accessible and readable for all users.

How to Use Color Contrast Checker

1Choose your text color and background color using the visual picker or hex inputs.
2Review the resulting contrast ratio score.
3Check the AA and AAA badges to verify readability status.

View all Developer Tools

Developer Tools