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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
#878CE9
RGB Values
135, 140, 233
HSL Values
237°, 69%, 72%
CMYK Values
42%, 40%, 0%, 9%

Color Variations & Tints

  • #C7C9F5

    Lightness: 87%

  • #B1B5F1

    Lightness: 82%

  • #9CA0ED

    Lightness: 77%

  • #878CE9

    Lightness: 72%

    Current color

  • #7177E5

    Lightness: 67%

  • #5B62E1

    Lightness: 62%

  • #464DDD

    Lightness: 57%

Accessibility

White Text
3.0
FAIL
Black Text
7.0
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 #878CE9

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

Current: #878CE9

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