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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
#15BBD7
RGB Values
21, 187, 215
HSL Values
189°, 82%, 46%
CMYK Values
90%, 13%, 0%, 16%

Color Variations & Tints

  • #4AD5ED

    Lightness: 61%

  • #33CFEB

    Lightness: 56%

  • #1CCAE9

    Lightness: 51%

  • #15BBD7

    Lightness: 46%

    Current color

  • #13A5BE

    Lightness: 41%

  • #1190A7

    Lightness: 36%

  • #0E7C90

    Lightness: 31%

Accessibility

White Text
2.3
FAIL
Black Text
9.1
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 #15BBD7

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

Current: #15BBD7

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