/
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
#357CF8
RGB Values
53, 124, 248
HSL Values
218°, 93%, 59%
CMYK Values
79%, 50%, 0%, 3%

Color Variations & Tints

  • #7FACFA

    Lightness: 74%

  • #669CF9

    Lightness: 69%

  • #4E8CF9

    Lightness: 64%

  • #357CF8

    Lightness: 59%

    Current color

  • #1D6DF7

    Lightness: 54%

  • #095EF1

    Lightness: 49%

  • #0854D9

    Lightness: 44%

Accessibility

White Text
3.9
FAIL
Black Text
5.4
PASS
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 #357CF8

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

Current: #357CF8

Discover More Colors

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