Information about #66090E color

#66090E color image

Basic facts about this digital color

In the Register's classification, #66090E belongs to the Red Color Family, featuring High Saturation and Dark brightness. The mix behind it: rgb(102, 9, 14) — 40% red, 3.5% green, 5.5% blue; the print equivalent is CMYK 0 / 36 / 35 / 60. Curious how these numbers work? Read our RGB color codes guide.

The color #66090E reads as a strongly colored earthy red and leans clearly toward the dark side. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Royal Maroon (#670E10). Its next-closest registered neighbors are Vintage Burgundy (#5F0609) and Rosewood (#65000B).

The recipe behind #66090E is rgb(102, 9, 14), with red as the dominant ingredient. If you plan to put text on a #66090E background, choose white — the contrast ratio is 13.0:1 (passing WCAG AAA), while black manages only 1.6:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. No one has named #66090E so far. Register a name for it and it becomes a permanent record.

#66090E color variations

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

#66090E 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 #66090E

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

Royal Maroon color link
Royal Maroon

#670E10

Rosewood color link
Rosewood

#65000B

Reddy Brown color link
Reddy Brown

#6E1005

Red Oxide color link
Red Oxide

#6E0902

Madam M color link
Madam M

#610C1D

Blood Red color link
Blood Red

#660000

Deep Crimson color link
Deep Crimson

#590016

Pomegranate color link
Pomegranate

#660C21

Heath color link
Heath

#541012

Conversions between color systems and etc.

  • HEX#66090E
  • RGB102, 9, 14
  • CMYK0, 36, 35, 60
  • CSSrgb(102, 9, 14)
  • HSL357°, 84%, 22%
  • HSL Precise356.774°, 83.784%, 21.765%
  • HSV357°, 91%, 40%
  • HSB357°, 91%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.035
  • Normalized B (0.0–1.0)0.055
  • GLSLvec3(0.400, 0.035, 0.055)
  • GLSL with alphavec4(0.400, 0.035, 0.055, 1.000)
  • HLSL / Metalfloat3(0.400, 0.035, 0.055)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB3.5%
  • Percentage of Blue in RGB5.5%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID66090E
  • DECIMAL ID6686990
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01