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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
#3B6BF1
RGB Values
59, 107, 241
HSL Values
224°, 87%, 59%
CMYK Values
76%, 56%, 0%, 5%

Color Variations & Tints

  • #83A2F6

    Lightness: 74%

  • #6B90F5

    Lightness: 69%

  • #537EF3

    Lightness: 64%

  • #3B6BF1

    Lightness: 59%

    Current color

  • #245AF0

    Lightness: 54%

  • #104AEA

    Lightness: 49%

  • #0F43D2

    Lightness: 44%

Accessibility

White Text
4.6
PASS
Black Text
4.6
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 #3B6BF1

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

Current: #3B6BF1

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