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Kostenlos WCAG Color Contrast Checker

Check whether two colors meet WCAG AA and AAA contrast standards for accessibility. Live preview at multiple text sizes with automatic suggestions when contrast is too low.

Runs in your browserNo sign-up, no pop-upsKeine Anmeldung erforderlichFür immer kostenlos

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.

Optimize for your platform

Audit Web Pages for WCAG Compliance Verify Brand Color Combinations Test Dark Mode Color Palettes Color Pairings for Print Materials Design Accessible Button Colors

So funktioniert es

Eingabe

Gib deinen Text oder deine Daten ein.

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Warum unseres?

✓Completely free — no hidden costs, ever

✓No account, email, or login required

✓Runs entirely in your browser — no uploads

✓Works on any device — phone, tablet, desktop

✓Open and ad-supported, with no tracking

✓Loads fast, with no installation needed

Kostenlos WCAG Color Contrast Checker

Optimize for your platform

So funktioniert es

Warum unseres?

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