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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
#3B6CBA
RGB Values
59, 108, 186
HSL Values
217°, 52%, 48%
CMYK Values
68%, 42%, 0%, 27%

Color Variations & Tints

  • #7095D2

    Lightness: 63%

  • #5C87CC

    Lightness: 58%

  • #4979C5

    Lightness: 53%

  • #3B6CBA

    Lightness: 48%

    Current color

  • #3560A7

    Lightness: 43%

  • #2F5593

    Lightness: 38%

  • #284A80

    Lightness: 33%

Accessibility

White Text
5.2
PASS
Black Text
4.0
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #3B6CBA

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

Current: #3B6CBA

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