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Colorbook
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Color Information

Red

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

HEX Format
#FF4D3C
RGB Values
255, 77, 60
HSL Values
5°, 100%, 62%
CMYK Values
0%, 70%, 76%, 0%

Color Variations & Tints

  • #FF938A

    Lightness: 77%

  • #FF7C70

    Lightness: 72%

  • #FF6557

    Lightness: 67%

  • #FF4D3C

    Lightness: 62%

    Current color

  • #FF3624

    Lightness: 57%

  • #FF1F0A

    Lightness: 52%

  • #F01400

    Lightness: 47%

Accessibility

White Text
3.3
FAIL
Black Text
6.4
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 #FF4D3C

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

Current: #FF4D3C

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