Indigo Blue Color – #3a18b1: Codes and Complete Breakdown

The Indigo Blue color hex code is #3a18b1, and it is composed of 23% red, 9% green and 69% blue.

Indigo Blue is a dark, bright, and cool color at 86% saturation. It has a contrast ratio of 10.79:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.

For better visibility, it is recommended to use the Indigo Blue color (#3a18b1) against light backgrounds.

Indigo Blue color

Indigo Blue Color Shades

Complementary colors

  1. #3918B1

  2. #90B118

Triadic colors

  1. #3918B1

  2. #B13918

  3. #18B139

Tints or lighter colors

  1. #481EDE

  2. #6B49E6

  3. #8F76EC

  4. #B4A2F2

  5. #D8CFF9

Darker colors

  1. #2B1284

  2. #1C0C57

  3. #0E062A

Analogous colors

  1. #1890B1

  2. #1843B1

  3. #3918B1

  4. #8618B1

  5. #B11890

Monochromatic colors

  1. #1E0677

  2. #2D0CA3

  3. #3D15CD

  4. #5932E3

  5. #8064E5

#3a18b1

Indigo Blue Color Codes and Information

Here’s a complete breakdown of the color Indigo Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.

Data TypeValues/Details
Hex#3a18b1
RGBrgb(58,24,177)
HSLhsl(253,76.1%,39.4%)
CMYK67, 86, 0, 31
HSV253, 86, 69
RGB %23, 9, 69
XYZ10, 4.7, 42
LAB25.9, 55.6, -73.4
Color CategoryDark
Color FamilyBlue
Saturation86%
TemperatureCool
Contrast Ratio Againt White (#ffffff)10.79 (passes WCAG AA)
Contrast Ratio Againt Black (#000000)1.95 (fails WCAG AA)

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