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Colorbook
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Color Information

Cyan

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

HEX Format
#218F9E
RGB Values
33, 143, 158
HSL Values
187°, 65%, 37%
CMYK Values
79%, 9%, 0%, 38%

Color Variations & Tints

  • #35C2D4

    Lightness: 52%

  • #2AB4C6

    Lightness: 47%

  • #25A0B1

    Lightness: 42%

  • #218F9E

    Lightness: 37%

    Current color

  • #1D7A87

    Lightness: 32%

  • #186772

    Lightness: 27%

  • #14545D

    Lightness: 22%

Accessibility

White Text
3.8
FAIL
Black Text
5.5
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 #218F9E

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

Current: #218F9E

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