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WCAG-kontrast

Klara AA / AAA

The quick brown fox

jumps over the lazy dog — Aa Bb 123

18.88 : 1
AA normal (4.5)
AA large (3.0)
AAA normal (7.0)
AAA large (4.5)

Om det här verktyget

Check contrast between two colors against WCAG accessibility guidelines. Tells you if your text passes AA or AAA.

Funktioner

  • WCAG 2.1 contrast ratio
  • AA / AAA pass for text and large text
  • Color pickers and swatches
  • Suggests adjustments

Så använder du det

  1. Pick foreground and background.
  2. Read the ratio and pass/fail badges.
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Vanliga frågor

What ratio do I need?

4.5:1 for normal text (AA), 3:1 for large text, 7:1 for AAA normal text.