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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
#557BF6
RGB Values
85, 123, 246
HSL Values
226°, 90%, 65%
CMYK Values
65%, 50%, 0%, 4%

Color Variations & Tints

  • #9EB4FA

    Lightness: 80%

  • #86A1F9

    Lightness: 75%

  • #6E8EF7

    Lightness: 70%

  • #557BF6

    Lightness: 65%

    Current color

  • #3D68F5

    Lightness: 60%

  • #2555F4

    Lightness: 55%

  • #0D42F2

    Lightness: 50%

Accessibility

White Text
3.8
FAIL
Black Text
5.6
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 #557BF6

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

Current: #557BF6

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