/
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
#0F2EBB
RGB Values
15, 46, 187
HSL Values
229°, 85%, 40%
CMYK Values
92%, 75%, 0%, 27%

Color Variations & Tints

  • #2B4EEE

    Lightness: 55%

  • #133BEC

    Lightness: 50%

  • #1135D4

    Lightness: 45%

  • #0F2EBB

    Lightness: 40%

    Current color

  • #0D29A5

    Lightness: 35%

  • #0B238E

    Lightness: 30%

  • #0A1D76

    Lightness: 25%

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 #0F2EBB

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

Current: #0F2EBB

Discover More Colors

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