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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
#4289BB
RGB Values
66, 137, 187
HSL Values
205°, 48%, 50%
CMYK Values
65%, 27%, 0%, 27%

Color Variations & Tints

  • #7BADD1

    Lightness: 65%

  • #68A1CA

    Lightness: 60%

  • #5595C3

    Lightness: 55%

  • #4289BB

    Lightness: 50%

    Current color

  • #3C7CAA

    Lightness: 45%

  • #356E97

    Lightness: 40%

  • #2E6084

    Lightness: 35%

Accessibility

White Text
3.8
FAIL
Black Text
5.5
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 #4289BB

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

Current: #4289BB

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