Online Tool Store
Vérificateur de Contraste Accessibilité
Vérifiez les couleurs de texte et fond contre WCAG AA et AAA, avec seuil applicable marqué et couleur passante la plus proche suggérée.
🔒 Cet outil fonctionne entièrement dans votre navigateur. Vos fichiers ne sont jamais envoyés sur un serveur.
Contrast ratio
—
How it looks
Sample heading over this background
This paragraph shows the text colour on the background colour at the size and weight you chose. Read it, then check the verdicts above — the numbers and your eyes should agree.
Boundary examples
How little it takes to cross a threshold. Click one to load it.
How Vérificateur de Contraste Accessibilité works
- Open Vérificateur de Contraste Accessibilité and review the example state before entering your own values.
- Enter or select the information needed for Vérificateur de Contraste Accessibilité.
- Review the result and adjust the inputs if you want to compare another case.
Check text and background colors against WCAG AA and AAA thresholds, with font-size guidance and a suggested passing color. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Vérificateur de Contraste Accessibilité used for?
Check text and background colors against WCAG AA and AAA thresholds, with font-size guidance and a suggested passing color.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Vérificateur de Contraste Accessibilité. Use the result as a planning aid and verify important decisions independently.