Information about #664C47 color

#664C47 color image

Basic facts about this digital color

The digital color #664C47 is classified in the Register under the Red Color Family, with Low Saturation and Neutral brightness. In numbers: rgb(102, 76, 71) (40% red, 29.8% green, 27.8% blue), or CMYK 0 / 10 / 12 / 60 for print. New to color codes? See our guide to RGB color codes.

#664C47 is a gently muted warm red that sits comfortably between light and dark. In practice it works well for balanced palettes where no single element should shout. In The Official Register of Color Names it is almost identical to Liver (#674C47). Nearby in the Register you will also find Double Buffalo (#644E46) and Rose Ebony (#674846).

The recipe behind #664C47 is rgb(102, 76, 71), with red as the dominant ingredient. On this background, white text reaches a 7.8:1 contrast ratio (passing WCAG AAA); black stays at 2.7:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#664C47 color variations

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

#664C47 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 #664C47

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

Liver color link
Liver

#674C47

Rose Ebony color link
Rose Ebony

#674846

Umber color link
Umber

#635147

Painite color link
Painite

#6B4947

Catapult color link
Catapult

#685143

Galaxy color link
Galaxy

#63464B

Quincy color link
Quincy

#6A5445

Saddle color link
Saddle

#5D4E46

Spark color link
Spark

#695341

Conversions between color systems and etc.

  • HEX#664C47
  • RGB102, 76, 71
  • CMYK0, 10, 12, 60
  • CSSrgb(102, 76, 71)
  • HSL10°, 18%, 34%
  • HSL Precise9.677°, 17.919%, 33.922%
  • HSV10°, 30%, 40%
  • HSB10°, 30%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.298
  • Normalized B (0.0–1.0)0.278
  • GLSLvec3(0.400, 0.298, 0.278)
  • GLSL with alphavec4(0.400, 0.298, 0.278, 1.000)
  • HLSL / Metalfloat3(0.400, 0.298, 0.278)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB29.8%
  • Percentage of Blue in RGB27.8%
  • Color FamilyRed
  • Saturation FamilyLow Saturation
  • Lightness FamilyNeutral
  • HEX ID664C47
  • DECIMAL ID6704199
  • Name LengthThis color has no name
  • Seen by search & AI crawlers39 times
  • Counting from2025-01-01