Information about #646F80 color

#646F80 color image

Basic facts about this digital color

The digital color #646F80 is classified in the Register under the Azure Color Family, with Low Saturation and Light brightness. Its exact recipe is rgb(100, 111, 128) — 39.2% red, 43.5% green, 50.2% blue — and for print it converts to CMYK 11 / 7 / 0 / 50. Curious how these numbers work? Read our RGB color codes guide.

#646F80 presents itself as a gently muted azure — one that carries an easy, daylight feel. It is a natural fit for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Mist Blue (#646D7E). Slightly further away sit Jet Gray (#616D7E) and Weathered Blue (#677583).

In RGB terms — rgb(100, 111, 128) — the blue channel does the heavy lifting here. On this background, white text reaches a 5.1:1 contrast ratio (passing WCAG AA); black stays at 4.1:1. #646F80 has no official name yet. If this shade means something to you, you can be the one to name it.

#646F80 color variations

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

#646F80 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 #646F80

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

Mist Blue color link
Mist Blue

#646D7E

Jet Gray color link
Jet Gray

#616D7E

Blue Bayoux color link
Blue Bayoux

#62777E

Infinity color link
Infinity

#6A7376

Gateway color link
Gateway

#5E7175

Obelisk color link
Obelisk

#617274

Raven color link
Raven

#6F747B

Elevate color link
Elevate

#60768B

Marble Blue color link
Marble Blue

#566D7E

Waterloo color link
Waterloo

#727282

Conversions between color systems and etc.

  • HEX#646F80
  • RGB100, 111, 128
  • CMYK11, 7, 0, 50
  • CSSrgb(100, 111, 128)
  • HSL216°, 12%, 45%
  • HSL Precise216.429°, 12.281%, 44.706%
  • HSV216°, 22%, 50%
  • HSB216°, 22%, 50%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.435
  • Normalized B (0.0–1.0)0.502
  • GLSLvec3(0.392, 0.435, 0.502)
  • GLSL with alphavec4(0.392, 0.435, 0.502, 1.000)
  • HLSL / Metalfloat3(0.392, 0.435, 0.502)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB43.5%
  • Percentage of Blue in RGB50.2%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID646F80
  • DECIMAL ID6582144
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01