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Color converter and contrast checker

Convert colors between HEX, RGB and HSL, and check whether text and background colors have enough contrast for WCAG AA and AAA.

Private by design: everything is processed on your device. Nothing you add is uploaded or stored.

How to use it

  1. Pick or type a text color and a background color.
  2. Read the contrast ratio and WCAG results.
  3. Copy the color values.

Questions

What ratio do I need?

AA needs 4.5:1 for normal text and 3:1 for large text; AAA needs 7:1 and 4.5:1.

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