Information about #645B67 color

#645B67 color image

Basic facts about this digital color

#645B67 falls into the Magenta Color Family — Desaturated, Neutral brightness. The mix behind it: rgb(100, 91, 103) — 39.2% red, 35.7% green, 40.4% blue; the print equivalent is CMYK 1 / 5 / 0 / 60. Curious how these numbers work? Read our RGB color codes guide.

#645B67 presents itself as a muted, almost neutral neutral grey — one that sits comfortably between light and dark. It is a natural fit for balanced palettes where no single element should shout. In The Official Register of Color Names it is a hair away from Mobster (#605A67). Nearby in the Register you will also find Fedora (#625665) and Smoky (#605D6B).

The recipe behind #645B67 is rgb(100, 91, 103), with blue as the dominant ingredient. On this background, white text reaches a 6.5:1 contrast ratio (passing WCAG AA); black stays at 3.2:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#645B67 color variations

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

#645B67 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 #645B67

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

Mobster color link
Mobster

#605A67

Fedora color link
Fedora

#625665

Smoky color link
Smoky

#605D6B

Matakana color link
Matakana

#685D63

Salt Box color link
Salt Box

#696268

Storm Dust color link
Storm Dust

#646463

Carbon Gray color link
Carbon Gray

#625D5D

Scorpion color link
Scorpion

#6A6466

Shuttle Grey color link
Shuttle Grey

#61666B

Conversions between color systems and etc.

  • HEX#645B67
  • RGB100, 91, 103
  • CMYK1, 5, 0, 60
  • CSSrgb(100, 91, 103)
  • HSL285°, 6%, 38%
  • HSL Precise285°, 6.186%, 38.039%
  • HSV285°, 12%, 40%
  • HSB285°, 12%, 40%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.357
  • Normalized B (0.0–1.0)0.404
  • GLSLvec3(0.392, 0.357, 0.404)
  • GLSL with alphavec4(0.392, 0.357, 0.404, 1.000)
  • HLSL / Metalfloat3(0.392, 0.357, 0.404)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB35.7%
  • Percentage of Blue in RGB40.4%
  • Color FamilyMagenta
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID645B67
  • DECIMAL ID6576999
  • Name LengthThis color has no name
  • Seen by search & AI crawlers35 times
  • Counting from2025-01-01