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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
#1C1540
RGB Values
28, 21, 64
HSL Values
250°, 51%, 17%
CMYK Values
56%, 67%, 0%, 75%

Color Variations & Tints

  • #36287B

    Lightness: 32%

  • #2D2268

    Lightness: 27%

  • #251B55

    Lightness: 22%

  • #1C1540

    Lightness: 17%

    Current color

  • #140F2E

    Lightness: 12%

  • #0C091B

    Lightness: 7%

  • #030208

    Lightness: 2%

Accessibility

White Text
17.1
PASS
Black Text
1.2
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 #1C1540

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

Current: #1C1540

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