Color Converter

HEX · RGB · HSL · CMYK

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Color Preview
#3B82F6
#FFFFFF
Color Picker
Color Contrast
AA Large
12.4:1
PASS
AA Normal
8.6:1
PASS
AAA
5.8:1
FAIL

Contrast ratio against white (#FFFFFF). AA requires 4.5:1, AAA requires 7:1.

Complementary Colors
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How to Use This Tool 使用说明

  1. Use the color picker to visually select a color, or type a HEX code directly into the input.
  2. The tool instantly displays the color in HEX, RGB, HSL, and CMYK formats.
  3. Each format has a copy button — click to copy that format to your clipboard.
  4. The WCAG Contrast Checker evaluates the selected color against white and black backgrounds.
  5. A complementary color palette is generated below the main picker.

Frequently Asked Questions 常见问题

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