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Colorbook
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Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#3F128A
RGB Values
63, 18, 138
HSL Values
263°, 77%, 31%
CMYK Values
54%, 87%, 0%, 46%

Color Variations & Tints

  • #601BD0

    Lightness: 46%

  • #5618B9

    Lightness: 41%

  • #4B15A2

    Lightness: 36%

  • #3F128A

    Lightness: 31%

    Current color

  • #360F75

    Lightness: 26%

  • #2C0C5F

    Lightness: 21%

  • #210948

    Lightness: 16%

Accessibility

White Text
12.6
PASS
Black Text
1.7
FAIL
WCAG AA
PASS
WCAG AAA
PASS

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #3F128A

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #3F128A

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