Information about #643538 color

#643538 color image

Basic facts about this digital color

In the Register's classification, #643538 belongs to the Red Color Family, featuring Mild Saturation and Neutral brightness. In numbers: rgb(100, 53, 56) (39.2% red, 20.8% green, 22% blue), or CMYK 0 / 18 / 17 / 61 for print. New to color codes? See our guide to RGB color codes.

A softly balanced red, #643538 sits comfortably between light and dark. Designers typically reach for tones like this for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Sanguine Brown (#6C3736). Nearby in the Register you will also find Purple Brown (#673A3F) and Double Lumberjack (#633E36).

In RGB terms — rgb(100, 53, 56) — the red channel does the heavy lifting here. If you plan to put text on a #643538 background, choose white — the contrast ratio is 10.0:1 (passing WCAG AAA), while black manages only 2.1:1. For print, note the heavy black component (K:61) — ink coverage matters with tones this deep. #643538 has no official name yet. If this shade means something to you, you can be the one to name it.

#643538 color variations

View this color variations of tints, shades, tones and hues.

#643538 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #643538

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Purple Brown color link
Purple Brown

#673A3F

Lexington color link
Lexington

#683E37

Buccaneer color link
Buccaneer

#622F30

Abrownrami color link
Abrownrami

#693B31

Verve color link
Verve

#5D2E3C

Oiled Cedar color link
Oiled Cedar

#66362D

Congo Brown color link
Congo Brown

#593737

Patio Red color link
Patio Red

#6D3331

Matchmaker color link
Matchmaker

#6D3540

Solar Flare color link
Solar Flare

#693E40

#643538 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#643538
  • RGB100, 53, 56
  • CMYK0, 18, 17, 61
  • CSSrgb(100, 53, 56)
  • HSL356°, 31%, 30%
  • HSL Precise356.17°, 30.719%, 30%
  • HSV356°, 47%, 39%
  • HSB356°, 47%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.208
  • Normalized B (0.0–1.0)0.220
  • GLSLvec3(0.392, 0.208, 0.220)
  • GLSL with alphavec4(0.392, 0.208, 0.220, 1.000)
  • HLSL / Metalfloat3(0.392, 0.208, 0.220)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB20.8%
  • Percentage of Blue in RGB22%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID643538
  • DECIMAL ID6567224
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01