Information about #645855 color

#645855 color image

Basic facts about this digital color

The digital color #645855 is classified in the Register under the Red Color Family, with Desaturated and Neutral brightness. In numbers: rgb(100, 88, 85) (39.2% red, 34.5% green, 33.3% blue), or CMYK 0 / 5 / 6 / 61 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #645855 reads as a muted, almost neutral neutral grey and sits comfortably between light and dark. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Italian Leather (#635A52). Nearby in the Register you will also find Wenge (#645452) and Triple Stonehenge (#665C52).

Technically, the mix leans on its red channel (rgb(100, 88, 85)), which gives #645855 its character. If you plan to put text on a #645855 background, choose white — the contrast ratio is 6.8:1 (passing WCAG AA), while black manages only 3.1:1. For print, note the heavy black component (K:61) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #645855 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#645855 color variations

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

#645855 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 #645855

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

Wenge color link
Wenge

#645452

Talisman color link
Talisman

#655D50

Smokey Ash color link
Smokey Ash

#5D5952

Half Mondo color link
Half Mondo

#62594D

Gray Dolphin color link
Gray Dolphin

#5C5858

Minx color link
Minx

#68535B

Half Felix color link
Half Felix

#62534E

Zambezi color link
Zambezi

#6B5A5A

Pure Pewter color link
Pure Pewter

#666156

Conversions between color systems and etc.

  • HEX#645855
  • RGB100, 88, 85
  • CMYK0, 5, 6, 61
  • CSSrgb(100, 88, 85)
  • HSL12°, 8%, 36%
  • HSL Precise12°, 8.108%, 36.275%
  • HSV12°, 15%, 39%
  • HSB12°, 15%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.345
  • Normalized B (0.0–1.0)0.333
  • GLSLvec3(0.392, 0.345, 0.333)
  • GLSL with alphavec4(0.392, 0.345, 0.333, 1.000)
  • HLSL / Metalfloat3(0.392, 0.345, 0.333)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB34.5%
  • Percentage of Blue in RGB33.3%
  • Color FamilyRed
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID645855
  • DECIMAL ID6576213
  • Name LengthThis color has no name
  • Seen by search & AI crawlers9 times
  • Counting from2025-01-01