Information about #641811 color

#641811 color image

Basic facts about this digital color

The digital color #641811 is classified in the Register under the Red Color Family, with High Saturation and Dark brightness. In numbers: rgb(100, 24, 17) (39.2% red, 9.4% green, 6.7% blue), or CMYK 0 / 30 / 33 / 61 for print. Curious how these numbers work? Read our RGB color codes guide.

#641811 is a energetic, saturated earthy red that leans clearly toward the dark side. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Philippine Brown (#5D1916). Its next-closest registered neighbors are Royal Maroon (#670E10) and Vintage Maroon (#621D1D).

The recipe behind #641811 is rgb(100, 24, 17), with red as the dominant ingredient. If you plan to put text on a #641811 background, choose white — the contrast ratio is 12.5:1 (passing WCAG AAA), while black manages only 1.7:1. On paper it relies strongly on black ink (K:61), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#641811 color variations

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

#641811 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 #641811

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

Red Planet color link
Red Planet

#5A2019

Rata color link
Rata

#5D1F1E

Persian Plum color link
Persian Plum

#701C1C

Madam M color link
Madam M

#610C1D

Reddy Brown color link
Reddy Brown

#6E1005

Heath color link
Heath

#541012

JayHawk Red color link
JayHawk Red

#58181F

Seal Brown color link
Seal Brown

#59260B

Conversions between color systems and etc.

  • HEX#641811
  • RGB100, 24, 17
  • CMYK0, 30, 33, 61
  • CSSrgb(100, 24, 17)
  • HSL5°, 71%, 23%
  • HSL Precise5.06°, 70.94%, 22.941%
  • HSV5°, 83%, 39%
  • HSB5°, 83%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.094
  • Normalized B (0.0–1.0)0.067
  • GLSLvec3(0.392, 0.094, 0.067)
  • GLSL with alphavec4(0.392, 0.094, 0.067, 1.000)
  • HLSL / Metalfloat3(0.392, 0.094, 0.067)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB9.4%
  • Percentage of Blue in RGB6.7%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID641811
  • DECIMAL ID6559761
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01