1.4 Distinguishable · Perceivable

WCAG 1.4.6 Contrast (Enhanced)

Level AAA

AAA-level contrast: 7:1 for normal text and 4.5:1 for large text. Aimed at low-vision users who don't use magnification.

Common failures

Brand palette is engineered to 1.4.3's 4.5:1 floor with no headroom for AAA.

How to fix

Build a high-contrast theme that meets 7:1 and offer it as a user preference.

Related criteria

WCAG 1.4.3 Contrast (Minimum) Level AA