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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
#307288
RGB Values
48, 114, 136
HSL Values
195°, 48%, 36%
CMYK Values
65%, 16%, 0%, 47%

Color Variations & Tints

  • #46A0BE

    Lightness: 51%

  • #3D91AE

    Lightness: 46%

  • #36829B

    Lightness: 41%

  • #307288

    Lightness: 36%

    Current color

  • #296275

    Lightness: 31%

  • #225262

    Lightness: 26%

  • #1C424F

    Lightness: 21%

Accessibility

White Text
5.4
PASS
Black Text
3.9
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #307288

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

Current: #307288

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