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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
#3F1593
RGB Values
63, 21, 147
HSL Values
260°, 75%, 33%
CMYK Values
57%, 86%, 0%, 42%

Color Variations & Tints

  • #5C1FD6

    Lightness: 48%

  • #521BC0

    Lightness: 43%

  • #4918AA

    Lightness: 38%

  • #3F1593

    Lightness: 33%

    Current color

  • #36127D

    Lightness: 28%

  • #2C0F67

    Lightness: 23%

  • #220B50

    Lightness: 18%

Accessibility

White Text
12.1
PASS
Black Text
1.7
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 #3F1593

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

Current: #3F1593

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