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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
#1D43CD
RGB Values
29, 67, 205
HSL Values
227°, 75%, 46%
CMYK Values
86%, 67%, 0%, 20%

Color Variations & Tints

  • #5171E6

    Lightness: 61%

  • #3B5FE3

    Lightness: 56%

  • #244DE0

    Lightness: 51%

  • #1D43CD

    Lightness: 46%

    Current color

  • #1A3CB7

    Lightness: 41%

  • #1735A1

    Lightness: 36%

  • #142D8A

    Lightness: 31%

Accessibility

White Text
7.7
PASS
Black Text
2.7
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 #1D43CD

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

Current: #1D43CD

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