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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
#518D7B
RGB Values
81, 141, 123
HSL Values
162°, 27%, 44%
CMYK Values
43%, 0%, 13%, 45%

Color Variations & Tints

  • #7AB3A2

    Lightness: 59%

  • #6AA996

    Lightness: 54%

  • #5B9F8A

    Lightness: 49%

  • #518D7B

    Lightness: 44%

    Current color

  • #497E6E

    Lightness: 39%

  • #3F6E60

    Lightness: 34%

  • #365E52

    Lightness: 29%

Accessibility

White Text
3.9
FAIL
Black Text
5.4
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 #518D7B

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

Current: #518D7B

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