Design Tool
Privacy First
Instant Copy
Verificador de contraste de color gratis
Comprueba el contraste WCAG de colores para texto, fondos y paletas de interfaz. Prueba privada en el navegador con resultados instantáneos.
Color Picker & Formats
Use the picker above and read values below
Guardados
Palette Generator
5
Contrast Checker (WCAG)
AA is for normal text (4.5:1), AAA is stricter (7:1), and Large AA applies to large text (3:1).
Gradient Generator
90deg
Extract Colors from Image
Upload an image and click extract to get dominant colors.
¿Por qué usar nuestra herramienta gratuita en línea de Color Contrast Checker?
WCAG Compliance Checks
Test color combinations against WCAG AA, AAA, and Large AA requirements.
Clear Ratio Output
View exact contrast ratio values with pass/fail status for faster decisions.
Accessible Design Workflow
Validate text and background colors before publishing websites or UI updates.
Preguntas frecuentes
¿Es este contrast checker gratis en línea?
Yes. This WCAG contrast checker is free online and runs directly in your browser.
What are AA, AAA, and Large AA?
AA requires 4.5:1 for normal text, AAA requires 7:1, and Large AA requires 3:1 for large text.
Can I check any foreground and background color pair?
Yes. You can pick any text and background colors and instantly see ratio and compliance.