Information about #646670 color

#646670 color image

Basic facts about this digital color

The digital color #646670 is classified in the Register under the Blue Color Family, with Desaturated and Light brightness. Its exact recipe is rgb(100, 102, 112) — 39.2% red, 40% green, 43.9% blue — and for print it converts to CMYK 5 / 4 / 0 / 56. New to color codes? See our guide to RGB color codes.

#646670 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 Quarter Tuna (#656A70). Its next-closest registered neighbors are Comet (#636373) and Mid Grey (#666A6D).

Technically, the mix leans on its blue channel (rgb(100, 102, 112)), which gives #646670 its character. If you plan to put text on a #646670 background, choose white — the contrast ratio is 5.7:1 (passing WCAG AA), while black manages only 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.

#646670 color variations

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

#646670 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 #646670

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

Quarter Tuna color link
Quarter Tuna

#656A70

Comet color link
Comet

#636373

Mid Grey color link
Mid Grey

#666A6D

Shuttle Grey color link
Shuttle Grey

#61666B

Dolphin color link
Dolphin

#6A6873

Pale Sky color link
Pale Sky

#636D70

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Dim Gray color link
Dim Gray

#696969

Nevada color link
Nevada

#666F6F

Granite Gray color link
Granite Gray

#676767

Salt Box color link
Salt Box

#696268

Smoky color link
Smoky

#605D6B

Conversions between color systems and etc.

  • HEX#646670
  • RGB100, 102, 112
  • CMYK5, 4, 0, 56
  • CSSrgb(100, 102, 112)
  • HSL230°, 6%, 42%
  • HSL Precise230°, 5.66%, 41.569%
  • HSV230°, 11%, 44%
  • HSB230°, 11%, 44%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.439
  • GLSLvec3(0.392, 0.400, 0.439)
  • GLSL with alphavec4(0.392, 0.400, 0.439, 1.000)
  • HLSL / Metalfloat3(0.392, 0.400, 0.439)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB43.9%
  • Color FamilyBlue
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646670
  • DECIMAL ID6579824
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01