QR Code Color Contrast Checker
Check if your QR code colors meet accessibility and scannability standards.
Color Settings
21:1
Contrast Ratio
WCAG AA: PASS (≥4.5:1)WCAG AAA: PASS (≥7:1)Scannability: PASS (≥3:1)
Excellent contrast! Your QR code meets WCAG AAA standards and will scan reliably.
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Frequently Asked Questions
A minimum 4.5:1 ratio ensures reliable scanning in most conditions.