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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
#2F5AFE
RGB Values
47, 90, 254
HSL Values
228°, 99%, 59%
CMYK Values
81%, 65%, 0%, 0%

Color Variations & Tints

  • #7B95FE

    Lightness: 74%

  • #6281FE

    Lightness: 69%

  • #486DFE

    Lightness: 64%

  • #2F5AFE

    Lightness: 59%

    Current color

  • #1644FE

    Lightness: 54%

  • #0133F9

    Lightness: 49%

  • #012EDF

    Lightness: 44%

Accessibility

White Text
5.2
PASS
Black Text
4.0
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 #2F5AFE

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

Current: #2F5AFE

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