Information about #664D48 color

#664D48 color image

Basic facts about this digital color

The digital color #664D48 is classified in the Register under the Red Color Family, with Low Saturation and Neutral brightness. In numbers: rgb(102, 77, 72) (40% red, 30.2% green, 28.2% blue), or CMYK 0 / 10 / 12 / 60 for print. New to color codes? See our guide to RGB color codes.

#664D48 is a softly toned earthy red that holds a balanced mid-tone. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Liver (#674C47). Its next-closest registered neighbors are Double Buffalo (#644E46) and Umber (#635147).

In RGB terms — rgb(102, 77, 72) — the red channel does the heavy lifting here. If you plan to put text on a #664D48 background, choose white — the contrast ratio is 7.7:1 (passing WCAG AAA), while black manages only 2.7:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. No one has named #664D48 so far. Register a name for it and it becomes a permanent record.

#664D48 color variations

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

#664D48 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 #664D48

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

Umber color link
Umber

#635147

Rose Ebony color link
Rose Ebony

#674846

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

Half Felix color link
Half Felix

#62534E

Conversions between color systems and etc.

  • HEX#664D48
  • RGB102, 77, 72
  • CMYK0, 10, 12, 60
  • CSSrgb(102, 77, 72)
  • HSL10°, 17%, 34%
  • HSL Precise10°, 17.241%, 34.118%
  • HSV10°, 29%, 40%
  • HSB10°, 29%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.302
  • Normalized B (0.0–1.0)0.282
  • GLSLvec3(0.400, 0.302, 0.282)
  • GLSL with alphavec4(0.400, 0.302, 0.282, 1.000)
  • HLSL / Metalfloat3(0.400, 0.302, 0.282)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB30.2%
  • Percentage of Blue in RGB28.2%
  • Color FamilyRed
  • Saturation FamilyLow Saturation
  • Lightness FamilyNeutral
  • HEX ID664D48
  • DECIMAL ID6704456
  • Name LengthThis color has no name
  • Seen by search & AI crawlers326 times
  • Counting from2025-01-01