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Colorbook
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Color Information

Blue

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

HEX Format
#0188D0
RGB Values
1, 136, 208
HSL Values
201°, 99%, 41%
CMYK Values
100%, 35%, 0%, 18%

Color Variations & Tints

  • #20B0FE

    Lightness: 56%

  • #06A7FE

    Lightness: 51%

  • #0198E9

    Lightness: 46%

  • #0188D0

    Lightness: 41%

    Current color

  • #0177B7

    Lightness: 36%

  • #01679D

    Lightness: 31%

  • #015684

    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 #0188D0

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

Current: #0188D0

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