Color Contrast Checker

Choose text and background colors to check their readable contrast.

Developer tools

Readable text preview

Check normal-sized body text here too.

Contrast ratio

15.74:1

AA / Normal

Pass

AA / Large

Pass

AAA / Normal

Pass

AAA / Large

Pass

What it helps with

  • Check text before design handoff
  • Compare brand colors
  • Review a button or document color pair

How to use

  1. Enter or choose foreground and background colors.
  2. Read the live preview and contrast ratio.
  3. Review AA and AAA results for the text size you plan to use.

Examples

Dark text on white

Input

#1B2522 on #FFFFFF

Output

15.7:1 / AA and AAA pass

Good to know

  • A passing ratio does not by itself make a full interface accessible; non-text contrast, states, typography, and context still require review.

FAQ

What ratio does normal text need for WCAG AA?
WCAG 2.2 criterion 1.4.3 uses at least 4.5:1 for normal text and 3:1 for large text.
Does the tool round before deciding pass or fail?
No. The full calculated ratio is used for the threshold; the displayed number is rounded only for readability.

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