ironroot

Colour Contrast Checker

Check text contrast against WCAG accessibility levels.

  • Private
  • No sign-up
  • Works in your browser

Sample text

The quick brown fox jumps over the lazy dog.

Contrast ratio
15.54:1
AA normal text (4.5:1)Pass
AA large text (3:1)Pass
AAA normal text (7:1)Pass
AAA large text (4.5:1)Pass

What is the Colour Contrast Checker?

Pick a text colour and a background colour to see their contrast ratio and whether it passes WCAG AA and AAA for normal and large text, with a live sample preview.

How to use it

  1. 1Enter your details into the tool.
  2. 2Adjust any options to suit you.
  3. 3Read your result, and copy or download it if you need to.