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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
#4457CF
RGB Values
68, 87, 207
HSL Values
232°, 59%, 54%
CMYK Values
67%, 58%, 0%, 19%

Color Variations & Tints

  • #818EDF

    Lightness: 69%

  • #6D7BD9

    Lightness: 64%

  • #5969D4

    Lightness: 59%

  • #4457CF

    Lightness: 54%

    Current color

  • #3347C7

    Lightness: 49%

  • #2E40B2

    Lightness: 44%

  • #29389E

    Lightness: 39%

Accessibility

White Text
6.0
PASS
Black Text
3.5
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 #4457CF

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

Current: #4457CF

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