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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
#15A4EE
RGB Values
21, 164, 238
HSL Values
200°, 86%, 51%
CMYK Values
91%, 31%, 0%, 7%

Color Variations & Tints

  • #5EC1F3

    Lightness: 66%

  • #46B8F1

    Lightness: 61%

  • #2EAFEF

    Lightness: 56%

  • #15A4EE

    Lightness: 51%

    Current color

  • #1097DA

    Lightness: 46%

  • #0F87C2

    Lightness: 41%

  • #0D76AB

    Lightness: 36%

Accessibility

White Text
2.8
FAIL
Black Text
7.6
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 #15A4EE

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

Current: #15A4EE

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