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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
#100D6E
RGB Values
16, 13, 110
HSL Values
242°, 79%, 24%
CMYK Values
85%, 88%, 0%, 57%

Color Variations & Tints

  • #1A15B2

    Lightness: 39%

  • #17129B

    Lightness: 34%

  • #131084

    Lightness: 29%

  • #100D6E

    Lightness: 24%

    Current color

  • #0D0A57

    Lightness: 19%

  • #090740

    Lightness: 14%

  • #060529

    Lightness: 9%

Accessibility

White Text
16.1
PASS
Black Text
1.3
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 #100D6E

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

Current: #100D6E

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