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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
#878DE3
RGB Values
135, 141, 227
HSL Values
236°, 62%, 71%
CMYK Values
41%, 38%, 0%, 11%

Color Variations & Tints

  • #C5C8F1

    Lightness: 86%

  • #B1B5ED

    Lightness: 81%

  • #9CA1E8

    Lightness: 76%

  • #878DE3

    Lightness: 71%

    Current color

  • #737ADE

    Lightness: 66%

  • #5E66D9

    Lightness: 61%

  • #4953D4

    Lightness: 56%

Accessibility

White Text
3.0
FAIL
Black Text
6.9
PASS
WCAG AA
PASS
WCAG AAA
FAIL

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 #878DE3

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

Current: #878DE3

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