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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
#3D47D9
RGB Values
61, 71, 217
HSL Values
236°, 67%, 55%
CMYK Values
72%, 67%, 0%, 15%

Color Variations & Tints

  • #7F86E6

    Lightness: 70%

  • #6A72E2

    Lightness: 65%

  • #555EDD

    Lightness: 60%

  • #3D47D9

    Lightness: 55%

    Current color

  • #2A35D5

    Lightness: 50%

  • #2630C0

    Lightness: 45%

  • #222BAA

    Lightness: 40%

Accessibility

White Text
6.8
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 #3D47D9

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

Current: #3D47D9

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