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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
#5B1A9E
RGB Values
91, 26, 158
HSL Values
270°, 72%, 36%
CMYK Values
42%, 84%, 0%, 38%

Color Variations & Tints

  • #8228DC

    Lightness: 51%

  • #7521CA

    Lightness: 46%

  • #691DB4

    Lightness: 41%

  • #5B1A9E

    Lightness: 36%

    Current color

  • #4F1688

    Lightness: 31%

  • #421372

    Lightness: 26%

  • #360F5C

    Lightness: 21%

Accessibility

White Text
10.1
PASS
Black Text
2.1
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 #5B1A9E

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

Current: #5B1A9E

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