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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
#372BDB
RGB Values
55, 43, 219
HSL Values
244°, 71%, 51%
CMYK Values
75%, 80%, 0%, 14%

Color Variations & Tints

  • #736BE6

    Lightness: 66%

  • #5E55E2

    Lightness: 61%

  • #4A3FDE

    Lightness: 56%

  • #372BDB

    Lightness: 51%

    Current color

  • #2D22C9

    Lightness: 46%

  • #281EB3

    Lightness: 41%

  • #231B9D

    Lightness: 36%

Accessibility

White Text
8.3
PASS
Black Text
2.5
FAIL
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 #372BDB

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

Current: #372BDB

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