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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
#173BEC
RGB Values
23, 59, 236
HSL Values
230°, 85%, 51%
CMYK Values
90%, 75%, 0%, 7%

Color Variations & Tints

  • #5F77F2

    Lightness: 66%

  • #4763F0

    Lightness: 61%

  • #2F4FEE

    Lightness: 56%

  • #173BEC

    Lightness: 51%

    Current color

  • #1233D9

    Lightness: 46%

  • #102DC1

    Lightness: 41%

  • #0E28AA

    Lightness: 36%

Accessibility

White Text
7.3
PASS
Black Text
2.9
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 #173BEC

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

Current: #173BEC

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