Information about #641E1B color

#641E1B color image

Basic facts about this digital color

The digital color #641E1B is classified in the Register under the Red Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(100, 30, 27) (39.2% red, 11.8% green, 10.6% blue), or CMYK 0 / 27 / 29 / 61 for print. New to color codes? See our guide to RGB color codes.

#641E1B is a clearly saturated warm red that leans clearly toward the dark side. In practice it works well for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Vintage Maroon (#621D1D). Its next-closest registered neighbors are Rata (#5D1F1E) and Pioneer Red (#642620).

The recipe behind #641E1B is rgb(100, 30, 27), with red as the dominant ingredient. If you plan to put text on a #641E1B background, choose white — the contrast ratio is 12.0:1 (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. No one has named #641E1B so far. Register a name for it and it becomes a permanent record.

#641E1B color variations

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

#641E1B 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 #641E1B

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#641E1B
  • RGB100, 30, 27
  • CMYK0, 27, 29, 61
  • CSSrgb(100, 30, 27)
  • HSL2°, 57%, 25%
  • HSL Precise2.466°, 57.48%, 24.902%
  • HSV2°, 73%, 39%
  • HSB2°, 73%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.118
  • Normalized B (0.0–1.0)0.106
  • GLSLvec3(0.392, 0.118, 0.106)
  • GLSL with alphavec4(0.392, 0.118, 0.106, 1.000)
  • HLSL / Metalfloat3(0.392, 0.118, 0.106)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB11.8%
  • Percentage of Blue in RGB10.6%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID641E1B
  • DECIMAL ID6561307
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 times
  • Counting from2025-01-01