Information about #646B70 color

#646B70 color image

Basic facts about this digital color

The digital color #646B70 is classified in the Register under the Azure Color Family, with Desaturated and Light brightness. Its exact recipe is rgb(100, 107, 112) — 39.2% red, 42% green, 43.9% blue — and for print it converts to CMYK 5 / 2 / 0 / 56. Curious how these numbers work? Read our RGB color codes guide.

#646B70 presents itself as a quiet, subdued grey — one that sits on the lighter side of the spectrum. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Quarter Tuna (#656A70). Nearby in the Register you will also find Pale Sky (#636D70) and Mid Grey (#666A6D).

Technically, the mix leans on its blue channel (rgb(100, 107, 112)), which gives #646B70 its character. If you plan to put text on a #646B70 background, choose white — the contrast ratio is 5.4:1 (passing WCAG AA), while black manages only 3.9:1. #646B70 has no official name yet. If this shade means something to you, you can be the one to name it.

#646B70 color variations

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

#646B70 color tints

Tints look brighter, pastel, and less intense.
#646B70

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#81898F

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#A0A7AB

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#C0C4C7

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#DFE1E3

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White

#FFFFFF

#646B70 color shades

Shades look darker, richer, and more solid.
#646B70

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#50565A

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#3C4044

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#282B2D

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#141516

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Black

#000000

#646B70 color tones

Tones looks more sophisticated and complex than base colors.
#646B70

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#697074

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#6F7377

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#74777A

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#797B7C

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Grey

#808080

#646B70 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#6C6471

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#676471

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#646771

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#646B70

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#647171

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#64716C

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#647167

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#646B70 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
#646B70
#646B70

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#726A65
#726A65

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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
#646B70
#646B70

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#727065
#727065

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#726566
#726566

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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
#656672
#656672

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#646B70
#646B70

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#657270
#657270

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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
#646B70
#646B70

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#72656C
#72656C

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#6C7265
#6C7265

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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
#646B70
#646B70

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#6A6572
#6A6572

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#726A65
#726A65

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#6C7265
#6C7265

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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
#646B70
#646B70

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#706572
#706572

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#726A65
#726A65

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#667265
#667265

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Nearest named colors to #646B70

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

Pale Sky color link
Pale Sky

#636D70

Mid Grey color link
Mid Grey

#666A6D

Nevada color link
Nevada

#666F6F

Dolphin color link
Dolphin

#6A6873

Shuttle Grey color link
Shuttle Grey

#61666B

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Obelisk color link
Obelisk

#617274

Comet color link
Comet

#636373

Dim Gray color link
Dim Gray

#696969

Cliff Face Grey color link
Cliff Face Grey

#6C6E6D

Corduroy color link
Corduroy

#606E68

#646B70 color backgrounds & wallpapers

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

#646B70 color image #646B70 color ORCN HD wallpaper 3840x2160 (Desktop)
#646B70 color image #646B70 color ORCN HD wallpaper 1170x2532 (Mobile)
#646B70 color image #646B70 color solid HD wallpaper 3840x2160 (Desktop)
#646B70 color image #646B70 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#646B70
  • RGB100, 107, 112
  • CMYK5, 2, 0, 56
  • CSSrgb(100, 107, 112)
  • HSL205°, 6%, 42%
  • HSL Precise205°, 5.66%, 41.569%
  • HSV205°, 11%, 44%
  • HSB205°, 11%, 44%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.420
  • Normalized B (0.0–1.0)0.439
  • GLSLvec3(0.392, 0.420, 0.439)
  • GLSL with alphavec4(0.392, 0.420, 0.439, 1.000)
  • HLSL / Metalfloat3(0.392, 0.420, 0.439)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB42%
  • Percentage of Blue in RGB43.9%
  • Color FamilyAzure
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646B70
  • DECIMAL ID6581104
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 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.