Color Contrast Checker
Upload a color palette image, pick a background, and check WCAG 2.1 accessibility compliance. Make sure your image has no borders or padding — any surrounding color will be extracted as part of the palette.
Palette Image
⚠ No borders or padding — they will be picked up as colors
Click to upload or drag & drop
PNG, JPG, SVG, WebP — any color palette image
Background Color
Quick presets
Upload a color palette image to get started
Colors will be extracted and checked against WCAG 2.1
WCAG 2.1 thresholds: AA Normal ≥ 4.5:1 · AA Large ≥ 3:1 · AAA Normal ≥ 7:1 · AAA Large ≥ 4.5:1