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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
#221F9F
RGB Values
34, 31, 159
HSL Values
241°, 67%, 37%
CMYK Values
79%, 81%, 0%, 38%

Color Variations & Tints

  • #3533D7

    Lightness: 52%

  • #2A28C8

    Lightness: 47%

  • #2623B3

    Lightness: 42%

  • #221F9F

    Lightness: 37%

    Current color

  • #1D1B88

    Lightness: 32%

  • #181773

    Lightness: 27%

  • #14135E

    Lightness: 22%

Accessibility

White Text
11.9
PASS
Black Text
1.8
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 #221F9F

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

Current: #221F9F

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