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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
#145CD8
RGB Values
20, 92, 216
HSL Values
218°, 83%, 46%
CMYK Values
91%, 57%, 0%, 15%

Color Variations & Tints

  • #4986EE

    Lightness: 61%

  • #3276EC

    Lightness: 56%

  • #1A66EA

    Lightness: 51%

  • #145CD8

    Lightness: 46%

    Current color

  • #1251BF

    Lightness: 41%

  • #1047A8

    Lightness: 36%

  • #0D3E91

    Lightness: 31%

Accessibility

White Text
5.9
PASS
Black Text
3.6
FAIL
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 #145CD8

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

Current: #145CD8

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