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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
#100F74
RGB Values
16, 15, 116
HSL Values
241°, 77%, 26%
CMYK Values
86%, 87%, 0%, 55%

Color Variations & Tints

  • #1B18B9

    Lightness: 41%

  • #1715A2

    Lightness: 36%

  • #14128C

    Lightness: 31%

  • #100F74

    Lightness: 26%

    Current color

  • #0E0C5F

    Lightness: 21%

  • #0A0948

    Lightness: 16%

  • #070632

    Lightness: 11%

Accessibility

White Text
15.6
PASS
Black Text
1.3
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 #100F74

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

Current: #100F74

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