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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
#455A71
RGB Values
69, 90, 113
HSL Values
211°, 24%, 36%
CMYK Values
39%, 20%, 0%, 56%

Color Variations & Tints

  • #6481A0

    Lightness: 51%

  • #597491

    Lightness: 46%

  • #4F6882

    Lightness: 41%

  • #455A71

    Lightness: 36%

    Current color

  • #3C4E62

    Lightness: 31%

  • #324252

    Lightness: 26%

  • #293542

    Lightness: 21%

Accessibility

White Text
7.1
PASS
Black Text
3.0
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 #455A71

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

Current: #455A71

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