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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
#1D4CD7
RGB Values
29, 76, 215
HSL Values
225°, 76%, 48%
CMYK Values
87%, 65%, 0%, 16%

Color Variations & Tints

  • #597DE8

    Lightness: 63%

  • #436BE5

    Lightness: 58%

  • #2C5AE2

    Lightness: 53%

  • #1D4CD7

    Lightness: 48%

    Current color

  • #1A44C1

    Lightness: 43%

  • #173CAB

    Lightness: 38%

  • #143494

    Lightness: 33%

Accessibility

White Text
6.8
PASS
Black Text
3.1
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 #1D4CD7

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

Current: #1D4CD7

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