Taxa contraste cores

WCAG: (L1+0.05)/(L2+0.05). AA=4.5:1, AAA=7:1.

Created by: Renato Passos, Eng. de Software
Reviewed by: Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

Luminância cor clara (0-1)

Luminância cor escura (0-1)

Taxa contraste

6,33

Formula

(L1+0.05)/(L2+0.05)

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