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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
#042B95
RGB Values
4, 43, 149
HSL Values
224°, 95%, 30%
CMYK Values
97%, 71%, 0%, 42%

Color Variations & Tints

  • #0640E0

    Lightness: 45%

  • #0539C7

    Lightness: 40%

  • #0432AE

    Lightness: 35%

  • #042B95

    Lightness: 30%

    Current color

  • #03237C

    Lightness: 25%

  • #031C63

    Lightness: 20%

  • #02154B

    Lightness: 15%

Accessibility

White Text
11.8
PASS
Black Text
1.8
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 #042B95

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

Current: #042B95

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