Information about #66375B color

#66375B color image

Basic facts about this digital color

#66375B falls into the Magenta Color Family — Mild Saturation, Neutral brightness. Its exact recipe is rgb(102, 55, 91) — 40% red, 21.6% green, 35.7% blue — and for print it converts to CMYK 0 / 18 / 4 / 60. Curious how these numbers work? Read our RGB color codes guide.

The color #66375B reads as a mildly saturated magenta and occupies the middle of the lightness scale. Expect to see shades like this in versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a near neighbor of Dark Byzantium (#5D3954). Slightly further away sit Japanese Violet (#5B3256) and Eggplant (#614051).

In RGB terms — rgb(102, 55, 91) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #66375B: 9.3:1 contrast (passing WCAG AAA) versus 2.3:1 for black. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. No one has named #66375B so far. Register a name for it and it becomes a permanent record.

#66375B color variations

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

#66375B 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 #66375B

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

Conversions between color systems and etc.

  • HEX#66375B
  • RGB102, 55, 91
  • CMYK0, 18, 4, 60
  • CSSrgb(102, 55, 91)
  • HSL314°, 30%, 31%
  • HSL Precise314.043°, 29.936%, 30.784%
  • HSV314°, 46%, 40%
  • HSB314°, 46%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.357
  • GLSLvec3(0.400, 0.216, 0.357)
  • GLSL with alphavec4(0.400, 0.216, 0.357, 1.000)
  • HLSL / Metalfloat3(0.400, 0.216, 0.357)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB35.7%
  • Color FamilyMagenta
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID66375B
  • DECIMAL ID6698843
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01