COLOR CONVERTER

Convert hex colors to RGB, HSL, and more. Get contrast ratios, luminance, complementary colors, and closest CSS color names.

terminal Basic Usage

Convert a 6-character hex

GET https://placehold.cloud/color/ff5733

Convert a 3-character shorthand

GET https://placehold.cloud/color/f00

Pass a 3 or 6 character hex value as a path parameter—no # prefix needed.

Parameters

hex Hex color code as path parameter (3 or 6 characters, e.g. ff5733 or f00)

Example Response

{
  "hex": "#ff5733",
  "rgb": { "r": 255, "g": 87, "b": 51 },
  "rgb_css": "rgb(255, 87, 51)",
  "hsl": { "h": 11, "s": 100, "l": 60 },
  "hsl_css": "hsl(11, 100%, 60%)",
  "name": "orangered",
  "luminance": 0.2138,
  "contrast": {
    "on_white": 3.13,
    "on_black": 5.28,
    "best_text": "#000000"
  },
  "complement": "#33d4ff"
}

Try It

Hex Color

Enter a valid 3 or 6 character hex code

Rate Limiting

120 requests per minute