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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
#2180D6
RGB Values
33, 128, 214
HSL Values
209°, 73%, 48%
CMYK Values
85%, 40%, 0%, 16%

Color Variations & Tints

  • #5CA3E6

    Lightness: 63%

  • #4697E2

    Lightness: 58%

  • #308ADF

    Lightness: 53%

  • #2180D6

    Lightness: 48%

    Current color

  • #1E70BE

    Lightness: 43%

  • #1A63A8

    Lightness: 38%

  • #175692

    Lightness: 33%

Accessibility

White Text
4.1
FAIL
Black Text
5.1
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 #2180D6

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

Current: #2180D6

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