Information about #63666E color

#63666E color image

Basic facts about this digital color

#63666E falls into the Azure Color FamilyDesaturated, Light brightness. Its exact recipe is rgb(99, 102, 110) — 38.8% red, 40% green, 43.1% blue — and for print it converts to CMYK 4 / 3 / 0 / 57. Curious how these numbers work? Read our RGB color codes guide.

The color #63666E reads as a muted, almost neutral grey and sits on the lighter side of the spectrum. Expect to see shades like this in balanced palettes where no single element should shout. In The Official Register of Color Names it is a hair away from Shuttle Grey (#61666B). Nearby in the Register you will also find Quarter Tuna (#656A70) and Mid Grey (#666A6D).

Technically, the mix leans on its blue channel (rgb(99, 102, 110)), which gives #63666E its character. On this background, white text reaches a 5.7:1 contrast ratio (passing WCAG AA); black stays at 3.7:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#63666E color variations

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

#63666E 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 #63666E

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

Quarter Tuna color link
Quarter Tuna

#656A70

Mid Grey color link
Mid Grey

#666A6D

Comet color link
Comet

#636373

Pale Sky color link
Pale Sky

#636D70

Granite Gray color link
Granite Gray

#676767

Dim Gray color link
Dim Gray

#696969

Dolphin color link
Dolphin

#6A6873

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Salt Box color link
Salt Box

#696268

Nevada color link
Nevada

#666F6F

Conversions between color systems and etc.

  • HEX#63666E
  • RGB99, 102, 110
  • CMYK4, 3, 0, 57
  • CSSrgb(99, 102, 110)
  • HSL224°, 5%, 41%
  • HSL Precise223.636°, 5.263%, 40.98%
  • HSV224°, 10%, 43%
  • HSB224°, 10%, 43%
  • Normalized R (0.0–1.0)0.388
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.431
  • GLSLvec3(0.388, 0.400, 0.431)
  • GLSL with alphavec4(0.388, 0.400, 0.431, 1.000)
  • HLSL / Metalfloat3(0.388, 0.400, 0.431)
  • Percentage of Red in RGB38.8%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB43.1%
  • Color FamilyAzure
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID63666E
  • DECIMAL ID6514286
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01