Information about #663D44 color

#663D44 color image

Basic facts about this digital color

The digital color #663D44 is classified in the Register under the Red Color Family, with Mild Saturation and Neutral brightness. In numbers: rgb(102, 61, 68) (40% red, 23.9% green, 26.7% blue), or CMYK 0 / 16 / 13 / 60 for print. Curious how these numbers work? Read our RGB color codes guide.

#663D44 is a softly balanced earthy red that sits comfortably between light and dark. It is a natural fit for balanced palettes where no single element should shout. In The Official Register of Color Names it is almost identical to Solar Flare (#693E40). Nearby in the Register you will also find Brunette (#634041) and Tawny Port (#643A48).

In RGB terms — rgb(102, 61, 68) — the red channel does the heavy lifting here. On this background, white text reaches a 9.1:1 contrast ratio (passing WCAG AAA); black stays at 2.3:1. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. No one has named #663D44 so far. Register a name for it and it becomes a permanent record.

#663D44 color variations

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

#663D44 color tints

Tints look brighter, pastel, and less intense.
#663D44

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#915760

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#B07C85

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#CAA8AE

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#E4D3D6

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White

#FFFFFF

#663D44 color shades

Shades look darker, richer, and more solid.
#663D44

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#513036

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#3D2428

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#28181B

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#140C0D

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Black

#000000

#663D44 color tones

Tones looks more sophisticated and complex than base colors.
#663D44

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#6C484E

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#725459

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#786265

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#7C7072

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Grey

#808080

#663D44 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#64663D

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#66573D

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#66463D

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#663D44

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#663D54

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#663D64

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#573D66

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#663D44 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
#663D44
#663D44

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#3D665F
#3D665F

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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
#663D44
#663D44

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#3D5866
#3D5866

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#3D664B
#3D664B

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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
#664B3D
#664B3D

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#663D44
#663D44

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#663D58
#663D58

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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
#663D44
#663D44

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#44663D
#44663D

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#3D4466
#3D4466

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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
#663D44
#663D44

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#665F3D
#665F3D

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#3D665F
#3D665F

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#3D4466
#3D4466

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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
#663D44
#663D44

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#58663D
#58663D

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#3D665F
#3D665F

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#4B3D66
#4B3D66

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Nearest named colors to #663D44

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

Solar Flare color link
Solar Flare

#693E40

Brunette color link
Brunette

#634041

Tawny Port color link
Tawny Port

#643A48

Purple Brown color link
Purple Brown

#673A3F

Purplish Brown color link
Purplish Brown

#6B4247

Grape Mouse color link
Grape Mouse

#63424B

Deep Tuscan Red color link
Deep Tuscan Red

#66424D

Rose Ebony color link
Rose Ebony

#674846

Matchmaker color link
Matchmaker

#6D3540

Deep Coffee color link
Deep Coffee

#704241

Galaxy color link
Galaxy

#63464B

Catawba color link
Catawba

#703642

#663D44 color backgrounds & wallpapers

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

#663D44 color image #663D44 color ORCN HD wallpaper 3840x2160 (Desktop)
#663D44 color image #663D44 color ORCN HD wallpaper 1170x2532 (Mobile)
#663D44 color image #663D44 color solid HD wallpaper 3840x2160 (Desktop)
#663D44 color image #663D44 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#663D44
  • RGB102, 61, 68
  • CMYK0, 16, 13, 60
  • CSSrgb(102, 61, 68)
  • HSL350°, 25%, 32%
  • HSL Precise349.756°, 25.153%, 31.961%
  • HSV350°, 40%, 40%
  • HSB350°, 40%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.239
  • Normalized B (0.0–1.0)0.267
  • GLSLvec3(0.400, 0.239, 0.267)
  • GLSL with alphavec4(0.400, 0.239, 0.267, 1.000)
  • HLSL / Metalfloat3(0.400, 0.239, 0.267)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB23.9%
  • Percentage of Blue in RGB26.7%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID663D44
  • DECIMAL ID6700356
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 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.