Color Contrast Checker
Check foreground/background contrast against WCAG standards with AA/AAA rating.
Aa Contrast sample text
Instructions
사용 방법
❓ FAQ
What is the contrast standard?
WCAG requires 4.5:1 for body text (AA) and 3:1 for large text.
Does it support hexadecimal colors?
Yes, both HEX and RGB color input are supported.
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