Free tool

Is your text easy to read?

Pick a text and background colour. You’ll see the contrast ratio and whether it passes accessibility guidelines.

Your headingYour body text looks like this.

Contrast ratio

16.17:1
Normal text AA (4.5:1)
Pass
Large text AA (3:1)
Pass
Normal text AAA (7:1)
Pass
Large text AAA (4.5:1)
Pass

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FAQs

Colour contrast checker questions

What contrast ratio do I need?

WCAG AA asks for 4.5:1 for normal text and 3:1 for large text.

Why does contrast matter?

Low contrast is hard to read on phones and in sunlight, and excludes people with low vision.

Tell me what you need. I’ll give you an honest plan.

A free 20-minute video call with me. A written plan and a fixed quote within three working days.