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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#3F5E9B
RGB Values
63, 94, 155
HSL Values
220°, 42%, 43%
CMYK Values
59%, 39%, 0%, 39%

Color Variations & Tints

  • #6785C1

    Lightness: 58%

  • #5576B9

    Lightness: 53%

  • #4769AE

    Lightness: 48%

  • #3F5E9B

    Lightness: 43%

    Current color

  • #38538A

    Lightness: 38%

  • #314877

    Lightness: 33%

  • #293D65

    Lightness: 28%

Accessibility

White Text
6.4
PASS
Black Text
3.3
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 #3F5E9B

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

Current: #3F5E9B

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