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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
#5B1FF4
RGB Values
91, 31, 244
HSL Values
257°, 91%, 54%
CMYK Values
63%, 87%, 0%, 4%

Color Variations & Tints

  • #9168F8

    Lightness: 69%

  • #7F50F7

    Lightness: 64%

  • #6D37F6

    Lightness: 59%

  • #5B1FF4

    Lightness: 54%

    Current color

  • #4C0BEF

    Lightness: 49%

  • #440AD6

    Lightness: 44%

  • #3C09BE

    Lightness: 39%

Accessibility

White Text
7.1
PASS
Black Text
2.9
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 #5B1FF4

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

Current: #5B1FF4

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