Information about #66333C color

#66333C color image

Basic facts about this digital color

The digital color #66333C is classified in the Register under the Red Color Family, with Mild Saturation and Neutral brightness. In numbers: rgb(102, 51, 60) (40% red, 20% green, 23.5% blue), or CMYK 0 / 20 / 16 / 60 for print. New to color codes? See our guide to RGB color codes.

#66333C is a moderately toned warm red that occupies the middle of the lightness scale. 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 Purple Brown (#673A3F). Slightly further away sit Matchmaker (#6D3540) and Sanguine Brown (#6C3736).

Technically, the mix leans on its red channel (rgb(102, 51, 60)), which gives #66333C its character. On this background, white text reaches a 10.0:1 contrast ratio (passing WCAG AAA); black stays at 2.1:1. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #66333C is still unnamed — it can be claimed and named in The Official Register of Color Names.

#66333C color variations

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

#66333C 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 #66333C

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

Matchmaker color link
Matchmaker

#6D3540

Verve color link
Verve

#5D2E3C

Siren color link
Siren

#69293B

Ribbon color link
Ribbon

#71333C

Old Mauve color link
Old Mauve

#673147

Catawba color link
Catawba

#703642

Solar Flare color link
Solar Flare

#693E40

Lexington color link
Lexington

#683E37

Patio Red color link
Patio Red

#6D3331

Conversions between color systems and etc.

  • HEX#66333C
  • RGB102, 51, 60
  • CMYK0, 20, 16, 60
  • CSSrgb(102, 51, 60)
  • HSL349°, 33%, 30%
  • HSL Precise349.412°, 33.333%, 30%
  • HSV349°, 50%, 40%
  • HSB349°, 50%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.200
  • Normalized B (0.0–1.0)0.235
  • GLSLvec3(0.400, 0.200, 0.235)
  • GLSL with alphavec4(0.400, 0.200, 0.235, 1.000)
  • HLSL / Metalfloat3(0.400, 0.200, 0.235)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB20%
  • Percentage of Blue in RGB23.5%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID66333C
  • DECIMAL ID6697788
  • Name LengthThis color has no name
  • Seen by search & AI crawlers7 times
  • Counting from2025-01-01