Information about #646D6F color

#646D6F color image

Basic facts about this digital color

The digital color #646D6F is classified in the Register under the Cyan Color Family, with Desaturated and Light brightness. In numbers: rgb(100, 109, 111) (39.2% red, 42.7% green, 43.5% blue), or CMYK 4 / 1 / 0 / 56 for print. New to color codes? See our guide to RGB color codes.

The color #646D6F reads as a quiet, subdued balanced grey tone and sits on the lighter side of the spectrum. Designers typically reach for tones like this for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Pale Sky (#636D70). Nearby in the Register you will also find Nevada (#666F6F) and Quarter Tuna (#656A70).

In RGB terms — rgb(100, 109, 111) — the blue channel does the heavy lifting here. On this background, white text reaches a 5.3:1 contrast ratio (passing WCAG AA); black stays at 4.0:1. No one has named #646D6F so far. Register a name for it and it becomes a permanent record.

#646D6F color variations

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

#646D6F 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 #646D6F

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

Pale Sky color link
Pale Sky

#636D70

Nevada color link
Nevada

#666F6F

Quarter Tuna color link
Quarter Tuna

#656A70

Mid Grey color link
Mid Grey

#666A6D

Obelisk color link
Obelisk

#617274

Corduroy color link
Corduroy

#606E68

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Shuttle Grey color link
Shuttle Grey

#61666B

Dim Gray color link
Dim Gray

#696969

Dolphin color link
Dolphin

#6A6873

Gateway color link
Gateway

#5E7175

Conversions between color systems and etc.

  • HEX#646D6F
  • RGB100, 109, 111
  • CMYK4, 1, 0, 56
  • CSSrgb(100, 109, 111)
  • HSL191°, 5%, 41%
  • HSL Precise190.909°, 5.213%, 41.373%
  • HSV191°, 10%, 44%
  • HSB191°, 10%, 44%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.427
  • Normalized B (0.0–1.0)0.435
  • GLSLvec3(0.392, 0.427, 0.435)
  • GLSL with alphavec4(0.392, 0.427, 0.435, 1.000)
  • HLSL / Metalfloat3(0.392, 0.427, 0.435)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB42.7%
  • Percentage of Blue in RGB43.5%
  • Color FamilyCyan
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646D6F
  • DECIMAL ID6581615
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01