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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
#191BAC
RGB Values
25, 27, 172
HSL Values
239°, 75%, 39%
CMYK Values
85%, 84%, 0%, 33%

Color Variations & Tints

  • #3235E2

    Lightness: 54%

  • #1F22DB

    Lightness: 49%

  • #1C1FC4

    Lightness: 44%

  • #191BAC

    Lightness: 39%

    Current color

  • #161898

    Lightness: 34%

  • #121481

    Lightness: 29%

  • #0F116B

    Lightness: 24%

Accessibility

White Text
11.7
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 #191BAC

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

Current: #191BAC

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