Design Accessible Button Colors

Make sure CTAs, action buttons, and links pass WCAG against their backgrounds.

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Text color

Background color

Large heading text

Medium body text (18px) for reading and content.

Normal body text (16px) for paragraphs.

Small body text (14px) for captions and metadata.

14.63:1

Contrast ratio

✓WCAG AA — Normal text

Requires 4.5:1 · You have 14.63:1

✓WCAG AA — Large text

Requires 3.0:1 · You have 14.63:1

✓WCAG AAA — Normal text

Requires 7.0:1 · You have 14.63:1

✓WCAG AAA — Large text

Requires 4.5:1 · You have 14.63:1

✓UI components / graphical objects

Requires 3.0:1 · You have 14.63:1

Quick presets

Based on WCAG 2.1 contrast guidelines. Large text = 18pt (24px) normal or 14pt (18.66px) bold. Hex codes update in both directions: type a hex or pick a color, both inputs stay in sync.

Buttons tips

🔘

White text on the brand primary color must pass 4.5:1 for AA. Test before committing to a brand color — some popular colors (like bright yellow) fail with white text.

💡

Outline buttons need ≥3:1 contrast for the border AND for the text inside. Use the tool to test both.

🎯

For dual states (default + hover + active), test each state against the surrounding background separately.