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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
#678CC8
RGB Values
103, 140, 200
HSL Values
217°, 47%, 59%
CMYK Values
49%, 30%, 0%, 22%

Color Variations & Tints

  • #9EB5DC

    Lightness: 74%

  • #8BA7D5

    Lightness: 69%

  • #7899CE

    Lightness: 64%

  • #678CC8

    Lightness: 59%

    Current color

  • #537DC1

    Lightness: 54%

  • #426FB8

    Lightness: 49%

  • #3B64A5

    Lightness: 44%

Accessibility

White Text
3.4
FAIL
Black Text
6.2
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 #678CC8

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

Current: #678CC8

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