/
Colorbook
Sign in Sign up

Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#100C7D
RGB Values
16, 12, 125
HSL Values
242°, 82%, 27%
CMYK Values
87%, 90%, 0%, 51%

Color Variations & Tints

  • #1913C3

    Lightness: 42%

  • #1611AC

    Lightness: 37%

  • #130F95

    Lightness: 32%

  • #100C7D

    Lightness: 27%

    Current color

  • #0D0A66

    Lightness: 22%

  • #0A084F

    Lightness: 17%

  • #070638

    Lightness: 12%

Accessibility

White Text
15.3
PASS
Black Text
1.4
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 #100C7D

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

Current: #100C7D

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.