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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
#150C67
RGB Values
21, 12, 103
HSL Values
246°, 79%, 23%
CMYK Values
80%, 88%, 0%, 60%

Color Variations & Tints

  • #2414AD

    Lightness: 38%

  • #1F1297

    Lightness: 33%

  • #1A0F80

    Lightness: 28%

  • #150C67

    Lightness: 23%

    Current color

  • #110A52

    Lightness: 18%

  • #0C073B

    Lightness: 13%

  • #080425

    Lightness: 8%

Accessibility

White Text
16.4
PASS
Black Text
1.3
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 #150C67

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

Current: #150C67

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