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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
#5B9CD3
RGB Values
91, 156, 211
HSL Values
208°, 58%, 59%
CMYK Values
57%, 26%, 0%, 17%

Color Variations & Tints

  • #96BFE3

    Lightness: 74%

  • #82B3DE

    Lightness: 69%

  • #6EA7D8

    Lightness: 64%

  • #5B9CD3

    Lightness: 59%

    Current color

  • #468ECE

    Lightness: 54%

  • #3482C5

    Lightness: 49%

  • #2F75B1

    Lightness: 44%

Accessibility

White Text
2.9
FAIL
Black Text
7.1
PASS
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 #5B9CD3

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

Current: #5B9CD3

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