Information about #664F4B color
Basic facts about this digital color
The color #664F4B reads as a calm, restrained red and holds a balanced mid-tone. Designers typically reach for tones like this for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is almost identical to Liver (#674C47). Its next-closest registered neighbors are Umber (#635147) and Double Buffalo (#644E46).
Technically, the mix leans on its red channel (rgb(102, 79, 75)), which gives #664F4B its character. Accessibility-wise, white text works best on #664F4B: 7.5:1 contrast (passing WCAG AAA) versus 2.8:1 for black. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #664F4B is still unnamed — it can be claimed and named in The Official Register of Color Names.
#664F4B color variations
View this color variations of tints, shades, tones and hues.
#664F4B color tints
Tints look brighter, pastel, and less intense.
#664F4B color shades
Shades look darker, richer, and more solid.
#664F4B color tones
Tones looks more sophisticated and complex than base colors.
#664F4B color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#664F4B 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.
Split complementary
Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.
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.
Triadic
Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.
Tetradic
Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.
Square
Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.
Alternatives to #664F4B color
View adjacent and very similar colors.
Nearest named colors to #664F4B
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#674C47
#635147
#644E46
#614F4F
#62534E
#5F514E
#685143
#674846
#6A5445
#6B4947
#645452
#665343
#664F4B color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#664F4B
- RGB102, 79, 75
- CMYK0, 9, 11, 60
- CSSrgb(102, 79, 75)
- HSL9°, 15%, 35%
- HSL Precise8.889°, 15.254%, 34.706%
- HSV9°, 26%, 40%
- HSB9°, 26%, 40%
- Normalized R (0.0–1.0)0.400
- Normalized G (0.0–1.0)0.310
- Normalized B (0.0–1.0)0.294
- GLSLvec3(0.400, 0.310, 0.294)
- GLSL with alphavec4(0.400, 0.310, 0.294, 1.000)
- HLSL / Metalfloat3(0.400, 0.310, 0.294)
- Percentage of Red in RGB40%
- Percentage of Green in RGB31%
- Percentage of Blue in RGB29.4%
- Color FamilyRed
- Saturation FamilyLow Saturation
- Lightness FamilyNeutral
- HEX ID664F4B
- DECIMAL ID6704971
- Name LengthThis color has no name
- Seen by search & AI crawlers17 times
- Counting from2025-01-01
