Online Tool Store
Verificador de Contraste Accesible
Verifica colores de texto y fondo contra WCAG AA y AAA, con umbral aplicable marcado y color de paso más cercano sugerido.
🔒 Esta herramienta funciona totalmente en tu navegador. Tus archivos nunca se suben a un servidor.
Contrast ratio
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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 Verificador de Contraste Accesible works
- Open Verificador de Contraste Accesible and review the example state before entering your own values.
- Enter or select the information needed for Verificador de Contraste Accesible.
- 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 Verificador de Contraste Accesible 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 Verificador de Contraste Accesible. Use the result as a planning aid and verify important decisions independently.