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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#878ECF
RGB Values
135, 142, 207
HSL Values
234°, 43%, 67%
CMYK Values
35%, 31%, 0%, 19%

Color Variations & Tints

  • #BDC1E5

    Lightness: 82%

  • #ABB0DE

    Lightness: 77%

  • #999FD6

    Lightness: 72%

  • #878ECF

    Lightness: 67%

    Current color

  • #747DC8

    Lightness: 62%

  • #626CC0

    Lightness: 57%

  • #505AB9

    Lightness: 52%

Accessibility

White Text
3.1
FAIL
Black Text
6.8
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 #878ECF

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

Current: #878ECF

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