Check Colour Contrast for Accessibility

Convert colours to get RGB values for use in contrast ratio tools — WCAG compliance for accessible design.

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Color input

Accepts: HEX (#fff or #ffffff), RGB (255, 255, 255), or HSL (360, 100%, 50%)

Presets:

HEX#14B8A6

RGBrgb(20, 184, 166)

HSLhsl(173, 80%, 40%)

HSVhsv(173, 89%, 72%)

CMYKcmyk(89%, 0%, 10%, 28%)

CSS RGB20, 184, 166

Lightness scale

Click any swatch to switch to that shade

Accessibility tips

♿

WCAG 2.1 requires 4.5:1 contrast between text and background (AA), or 7:1 for enhanced (AAA) accessibility.

💡

Get the RGB values for both your text and background colours here, then paste them into a contrast checker like WebAIM's Contrast Checker.

🎨

Use the lightness scale to find a shade of your brand colour that passes contrast requirements while staying on-brand.

🔍

Teal and mid-range colours often fail contrast checks against white. Try L=30–40% in HSL for dark enough versions that pass 4.5:1.

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