Information about #663315 color

#663315 color image

Basic facts about this digital color

In the Register's classification, #663315 belongs to the Orange Color Family, featuring High Saturation and Dark brightness. The mix behind it: rgb(102, 51, 21) — 40% red, 20% green, 8.2% blue; the print equivalent is CMYK 0 / 20 / 32 / 60. Curious how these numbers work? Read our RGB color codes guide.

#663315 is a energetic, saturated orange that leans clearly toward the dark side. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is a near neighbor of Royal Mahogany (#653420). Its next-closest registered neighbors are Earthtone (#5D3A1A) and Chestnut Leather Brown (#60281E).

Technically, the mix leans on its red channel (rgb(102, 51, 21)), which gives #663315 its character. If you plan to put text on a #663315 background, choose white — the contrast ratio is 10.2:1 (passing WCAG AAA), while black manages only 2.0:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#663315 color variations

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

#663315 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 #663315

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

Earthtone color link
Earthtone

#5D3A1A

Pioneer Red color link
Pioneer Red

#642620

Deep Ochre color link
Deep Ochre

#733D1A

Sepia color link
Sepia

#704214

New Amber color link
New Amber

#6D3B24

Pueblo color link
Pueblo

#6E3326

Heatwave color link
Heatwave

#6E2620

Kakaramea color link
Kakaramea

#6E2C25

Conversions between color systems and etc.

  • HEX#663315
  • RGB102, 51, 21
  • CMYK0, 20, 32, 60
  • CSSrgb(102, 51, 21)
  • HSL22°, 66%, 24%
  • HSL Precise22.222°, 65.854%, 24.118%
  • HSV22°, 79%, 40%
  • HSB22°, 79%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.200
  • Normalized B (0.0–1.0)0.082
  • GLSLvec3(0.400, 0.200, 0.082)
  • GLSL with alphavec4(0.400, 0.200, 0.082, 1.000)
  • HLSL / Metalfloat3(0.400, 0.200, 0.082)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB20%
  • Percentage of Blue in RGB8.2%
  • Color FamilyOrange
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID663315
  • DECIMAL ID6697749
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01