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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
#138ABF
RGB Values
19, 138, 191
HSL Values
198°, 82%, 41%
CMYK Values
90%, 28%, 0%, 25%

Color Variations & Tints

  • #33B4EB

    Lightness: 56%

  • #1CABE9

    Lightness: 51%

  • #159CD5

    Lightness: 46%

  • #138ABF

    Lightness: 41%

    Current color

  • #117AA7

    Lightness: 36%

  • #0E6990

    Lightness: 31%

  • #0C5879

    Lightness: 26%

Accessibility

White Text
3.9
FAIL
Black Text
5.4
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 #138ABF

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

Current: #138ABF

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