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Information about #663D46 color

#663D46 color image

Basic facts about this digital color

#663D46 falls into the Red Color Family — Mild Saturation, Neutral brightness. The mix behind it: rgb(102, 61, 70) — 40% red, 23.9% green, 27.5% blue; the print equivalent is CMYK 0 / 16 / 13 / 60. Curious how these numbers work? Read our RGB color codes guide.

#663D46 presents itself as a softly balanced earthy red — one that holds a balanced mid-tone. It is a natural fit for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a hair away from Tawny Port (#643A48). Its next-closest registered neighbors are Brunette (#634041) and Solar Flare (#693E40).

In RGB terms — rgb(102, 61, 70) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #663D46: 9.0:1 contrast (passing WCAG AAA) versus 2.3:1 for black. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #663D46 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#663D46 color variations

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

#663D46 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 #663D46

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

Tawny Port color link
Tawny Port

#643A48

Brunette color link
Brunette

#634041

Solar Flare color link
Solar Flare

#693E40

Grape Mouse color link
Grape Mouse

#63424B

Purple Brown color link
Purple Brown

#673A3F

Galaxy color link
Galaxy

#63464B

Rose Ebony color link
Rose Ebony

#674846

Old Mauve color link
Old Mauve

#673147

Matchmaker color link
Matchmaker

#6D3540

Deep Coffee color link
Deep Coffee

#704241

Conversions between color systems and etc.

  • HEX#663D46
  • RGB102, 61, 70
  • CMYK0, 16, 13, 60
  • CSSrgb(102, 61, 70)
  • HSL347°, 25%, 32%
  • HSL Precise346.829°, 25.153%, 31.961%
  • HSV347°, 40%, 40%
  • HSB347°, 40%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.239
  • Normalized B (0.0–1.0)0.275
  • GLSLvec3(0.400, 0.239, 0.275)
  • GLSL with alphavec4(0.400, 0.239, 0.275, 1.000)
  • HLSL / Metalfloat3(0.400, 0.239, 0.275)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB23.9%
  • Percentage of Blue in RGB27.5%
  • Color FamilyRed
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID663D46
  • DECIMAL ID6700358
  • Name LengthThis color has no name
  • This page visited5 times
  • Counting from2025-01-01