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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
#152176
RGB Values
21, 33, 118
HSL Values
233°, 70%, 27%
CMYK Values
82%, 72%, 0%, 54%

Color Variations & Tints

  • #2032B6

    Lightness: 42%

  • #1C2CA0

    Lightness: 37%

  • #18268B

    Lightness: 32%

  • #152176

    Lightness: 27%

    Current color

  • #111A5F

    Lightness: 22%

  • #0D144A

    Lightness: 17%

  • #090E34

    Lightness: 12%

Accessibility

White Text
13.9
PASS
Black Text
1.5
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 #152176

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

Current: #152176

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