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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
#374ECC
RGB Values
55, 78, 204
HSL Values
231°, 59%, 51%
CMYK Values
73%, 62%, 0%, 20%

Color Variations & Tints

  • #7584DB

    Lightness: 66%

  • #6172D6

    Lightness: 61%

  • #4D60D1

    Lightness: 56%

  • #374ECC

    Lightness: 51%

    Current color

  • #3045BB

    Lightness: 46%

  • #2B3DA6

    Lightness: 41%

  • #263692

    Lightness: 36%

Accessibility

White Text
6.7
PASS
Black Text
3.1
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 #374ECC

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

Current: #374ECC

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