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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
#51A2B5
RGB Values
81, 162, 181
HSL Values
191°, 40%, 51%
CMYK Values
55%, 10%, 0%, 29%

Color Variations & Tints

  • #86BECB

    Lightness: 66%

  • #74B5C3

    Lightness: 61%

  • #62ABBC

    Lightness: 56%

  • #51A2B5

    Lightness: 51%

    Current color

  • #4693A4

    Lightness: 46%

  • #3F8392

    Lightness: 41%

  • #377381

    Lightness: 36%

Accessibility

White Text
2.9
FAIL
Black Text
7.2
PASS
WCAG AA
PASS
WCAG AAA
PASS

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 #51A2B5

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

Current: #51A2B5

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