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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
#183EA0
RGB Values
24, 62, 160
HSL Values
223°, 74%, 36%
CMYK Values
85%, 61%, 0%, 37%

Color Variations & Tints

  • #265ADF

    Lightness: 51%

  • #1E50CC

    Lightness: 46%

  • #1B47B6

    Lightness: 41%

  • #183EA0

    Lightness: 36%

    Current color

  • #15368A

    Lightness: 31%

  • #112D73

    Lightness: 26%

  • #0E245D

    Lightness: 21%

Accessibility

White Text
9.4
PASS
Black Text
2.2
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 #183EA0

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

Current: #183EA0

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