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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
#1D4948
RGB Values
29, 73, 72
HSL Values
179°, 43%, 20%
CMYK Values
60%, 0%, 1%, 71%

Color Variations & Tints

  • #33807E

    Lightness: 35%

  • #2C6D6C

    Lightness: 30%

  • #245B5A

    Lightness: 25%

  • #1D4948

    Lightness: 20%

    Current color

  • #163736

    Lightness: 15%

  • #0F2424

    Lightness: 10%

  • #071212

    Lightness: 5%

Accessibility

White Text
10.0
PASS
Black Text
2.1
FAIL
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 #1D4948

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

Current: #1D4948

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