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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
#587ACD
RGB Values
88, 122, 205
HSL Values
223°, 54%, 57%
CMYK Values
57%, 40%, 0%, 20%

Color Variations & Tints

  • #91A7DE

    Lightness: 72%

  • #7D97D8

    Lightness: 67%

  • #6A87D2

    Lightness: 62%

  • #587ACD

    Lightness: 57%

    Current color

  • #4368C7

    Lightness: 52%

  • #375CB9

    Lightness: 47%

  • #3152A5

    Lightness: 42%

Accessibility

White Text
4.1
FAIL
Black Text
5.1
PASS
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 #587ACD

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

Current: #587ACD

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