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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
#6537D5
RGB Values
101, 55, 213
HSL Values
257°, 65%, 53%
CMYK Values
53%, 74%, 0%, 16%

Color Variations & Tints

  • #9678E2

    Lightness: 68%

  • #8663DE

    Lightness: 63%

  • #764EDA

    Lightness: 58%

  • #6537D5

    Lightness: 53%

    Current color

  • #582BCA

    Lightness: 48%

  • #4F26B5

    Lightness: 43%

  • #4622A0

    Lightness: 38%

Accessibility

White Text
6.9
PASS
Black Text
3.1
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 #6537D5

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

Current: #6537D5

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