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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
#272CA2
RGB Values
39, 44, 162
HSL Values
238°, 61%, 39%
CMYK Values
76%, 73%, 0%, 36%

Color Variations & Tints

  • #4247D1

    Lightness: 54%

  • #3136C9

    Lightness: 49%

  • #2C30B5

    Lightness: 44%

  • #272CA2

    Lightness: 39%

    Current color

  • #22258C

    Lightness: 34%

  • #1D2077

    Lightness: 29%

  • #181A63

    Lightness: 24%

Accessibility

White Text
10.7
PASS
Black Text
2.0
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 #272CA2

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

Current: #272CA2

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