Information about #646A6C color

#646A6C color image

Basic facts about this digital color

In the Register's classification, #646A6C belongs to the Cyan Color Family, featuring Desaturated and Light brightness. In numbers: rgb(100, 106, 108) (39.2% red, 41.6% green, 42.4% blue), or CMYK 3 / 1 / 0 / 58 for print. New to color codes? See our guide to RGB color codes.

#646A6C presents itself as a quiet, subdued balanced grey tone — 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 almost identical to Mid Grey (#666A6D). Its next-closest registered neighbors are Quarter Tuna (#656A70) and Shuttle Grey (#61666B).

In RGB terms — rgb(100, 106, 108) — the blue channel does the heavy lifting here. If you plan to put text on a #646A6C background, choose white — the contrast ratio is 5.5:1 (passing WCAG AA), while black manages only 3.8:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#646A6C color variations

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

#646A6C color tints

Tints look brighter, pastel, and less intense.
#646A6C

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#81898B

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#A1A6A8

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#C0C4C5

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#DFE1E2

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White

#FFFFFF

#646A6C color shades

Shades look darker, richer, and more solid.
#646A6C

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#505556

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#3C3F41

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#282A2B

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#141515

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Black

#000000

#646A6C color tones

Tones looks more sophisticated and complex than base colors.
#646A6C

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#696E70

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#6F7374

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#747778

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#797B7B

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Grey

#808080

#646A6C color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#68646C

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#64646C

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#64676C

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#646A6C

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#646C6B

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#646C68

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#646C64

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#646A6C 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
#646A6C
#646A6C

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#6D6664
#6D6664

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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
#646A6C
#646A6C

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#6D6B64
#6D6B64

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#6D6466
#6D6466

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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
#64666D
#64666D

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#646A6C
#646A6C

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#646D6B
#646D6B

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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
#646A6C
#646A6C

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#6D646B
#6D646B

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#6B6D64
#6B6D64

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#646A6C
#646A6C

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#66646D
#66646D

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#6D6664
#6D6664

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#6B6D64
#6B6D64

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#646A6C
#646A6C

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#6B646D
#6B646D

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#6D6664
#6D6664

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#666D64
#666D64

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Nearest named colors to #646A6C

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

Mid Grey color link
Mid Grey

#666A6D

Quarter Tuna color link
Quarter Tuna

#656A70

Shuttle Grey color link
Shuttle Grey

#61666B

Pale Sky color link
Pale Sky

#636D70

Dim Gray color link
Dim Gray

#696969

Nevada color link
Nevada

#666F6F

Granite Gray color link
Granite Gray

#676767

Corduroy color link
Corduroy

#606E68

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Chicane color link
Chicane

#686765

Double Trojan color link
Double Trojan

#656664

Cliff Face Grey color link
Cliff Face Grey

#6C6E6D

#646A6C color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#646A6C color image #646A6C color ORCN HD wallpaper 3840x2160 (Desktop)
#646A6C color image #646A6C color ORCN HD wallpaper 1170x2532 (Mobile)
#646A6C color image #646A6C color solid HD wallpaper 3840x2160 (Desktop)
#646A6C color image #646A6C color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#646A6C
  • RGB100, 106, 108
  • CMYK3, 1, 0, 58
  • CSSrgb(100, 106, 108)
  • HSL195°, 4%, 41%
  • HSL Precise195°, 3.846%, 40.784%
  • HSV195°, 7%, 42%
  • HSB195°, 7%, 42%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.416
  • Normalized B (0.0–1.0)0.424
  • GLSLvec3(0.392, 0.416, 0.424)
  • GLSL with alphavec4(0.392, 0.416, 0.424, 1.000)
  • HLSL / Metalfloat3(0.392, 0.416, 0.424)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB41.6%
  • Percentage of Blue in RGB42.4%
  • Color FamilyCyan
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646A6C
  • DECIMAL ID6580844
  • Name LengthThis color has no name
  • Seen by search & AI crawlers25 times
  • Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.