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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
#2101DE
RGB Values
33, 1, 222
HSL Values
249°, 99%, 44%
CMYK Values
85%, 100%, 0%, 13%

Color Variations & Tints

  • #4E2FFE

    Lightness: 59%

  • #3816FE

    Lightness: 54%

  • #2601F9

    Lightness: 49%

  • #2101DE

    Lightness: 44%

    Current color

  • #1F01C6

    Lightness: 39%

  • #1B01AD

    Lightness: 34%

  • #170193

    Lightness: 29%

Accessibility

White Text
9.9
PASS
Black Text
2.1
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 #2101DE

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

Current: #2101DE

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