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Colorbook
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Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#2B7ADB
RGB Values
43, 122, 219
HSL Values
213°, 71%, 51%
CMYK Values
80%, 44%, 0%, 14%

Color Variations & Tints

  • #6BA2E6

    Lightness: 66%

  • #5594E2

    Lightness: 61%

  • #3F87DE

    Lightness: 56%

  • #2B7ADB

    Lightness: 51%

    Current color

  • #226DC9

    Lightness: 46%

  • #1E61B3

    Lightness: 41%

  • #1B559D

    Lightness: 36%

Accessibility

White Text
4.3
FAIL
Black Text
4.9
PASS
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 #2B7ADB

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

Current: #2B7ADB

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