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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
#316458
RGB Values
49, 100, 88
HSL Values
166°, 34%, 29%
CMYK Values
51%, 0%, 12%, 61%

Color Variations & Tints

  • #4A9685

    Lightness: 44%

  • #428575

    Lightness: 39%

  • #397466

    Lightness: 34%

  • #316458

    Lightness: 29%

    Current color

  • #285248

    Lightness: 24%

  • #204139

    Lightness: 19%

  • #18302A

    Lightness: 14%

Accessibility

White Text
6.8
PASS
Black Text
3.1
FAIL
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 #316458

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

Current: #316458

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