Information about #64636A color

#64636A color image

Basic facts about this digital color

The digital color #64636A is classified in the Register under the Blue Color Family, with Desaturated and Light brightness. Its exact recipe is rgb(100, 99, 106) — 39.2% red, 38.8% green, 41.6% blue — and for print it converts to CMYK 2 / 3 / 0 / 58. New to color codes? See our guide to RGB color codes.

#64636A presents itself as a quiet, subdued grey — one that feels open and friendly. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Shuttle Grey (#61666B). Its next-closest registered neighbors are Salt Box (#696268) and Granite Gray (#676767).

Technically, the mix leans on its blue channel (rgb(100, 99, 106)), which gives #64636A its character. If you plan to put text on a #64636A background, choose white — the contrast ratio is 5.9:1 (passing WCAG AA), while black manages only 3.5:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#64636A color variations

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

#64636A 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 #64636A

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

Shuttle Grey color link
Shuttle Grey

#61666B

Salt Box color link
Salt Box

#696268

Granite Gray color link
Granite Gray

#676767

Storm Dust color link
Storm Dust

#646463

Smoky color link
Smoky

#605D6B

Scorpion color link
Scorpion

#6A6466

Chicane color link
Chicane

#686765

Mid Grey color link
Mid Grey

#666A6D

Dim Gray color link
Dim Gray

#696969

Comet color link
Comet

#636373

Conversions between color systems and etc.

  • HEX#64636A
  • RGB100, 99, 106
  • CMYK2, 3, 0, 58
  • CSSrgb(100, 99, 106)
  • HSL249°, 3%, 40%
  • HSL Precise248.571°, 3.415%, 40.196%
  • HSV249°, 7%, 42%
  • HSB249°, 7%, 42%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.388
  • Normalized B (0.0–1.0)0.416
  • GLSLvec3(0.392, 0.388, 0.416)
  • GLSL with alphavec4(0.392, 0.388, 0.416, 1.000)
  • HLSL / Metalfloat3(0.392, 0.388, 0.416)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB38.8%
  • Percentage of Blue in RGB41.6%
  • Color FamilyBlue
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID64636A
  • DECIMAL ID6579050
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01