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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#378C95
RGB Values
55, 140, 149
HSL Values
186°, 46%, 40%
CMYK Values
63%, 6%, 0%, 42%

Color Variations & Tints

  • #57B6C1

    Lightness: 55%

  • #45AEBA

    Lightness: 50%

  • #3E9DA8

    Lightness: 45%

  • #378C95

    Lightness: 40%

    Current color

  • #307A82

    Lightness: 35%

  • #296970

    Lightness: 30%

  • #22575D

    Lightness: 25%

Accessibility

White Text
3.9
FAIL
Black Text
5.3
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 #378C95

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

Current: #378C95

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