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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
#1D2F3F
RGB Values
29, 47, 63
HSL Values
208°, 37%, 18%
CMYK Values
54%, 25%, 0%, 75%

Color Variations & Tints

  • #355673

    Lightness: 33%

  • #2D4962

    Lightness: 28%

  • #253C50

    Lightness: 23%

  • #1D2F3F

    Lightness: 18%

    Current color

  • #15222D

    Lightness: 13%

  • #0D151C

    Lightness: 8%

  • #05080A

    Lightness: 3%

Accessibility

White Text
13.7
PASS
Black Text
1.5
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 #1D2F3F

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

Current: #1D2F3F

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