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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
#11375E
RGB Values
17, 55, 94
HSL Values
210°, 69%, 22%
CMYK Values
82%, 41%, 0%, 63%

Color Variations & Tints

  • #1D5E9F

    Lightness: 37%

  • #19528A

    Lightness: 32%

  • #154574

    Lightness: 27%

  • #11375E

    Lightness: 22%

    Current color

  • #0D2B49

    Lightness: 17%

  • #091F34

    Lightness: 12%

  • #06121E

    Lightness: 7%

Accessibility

White Text
12.1
PASS
Black Text
1.7
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 #11375E

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

Current: #11375E

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