Information about #66150B color
Basic facts about this digital color
A strongly colored warm red, #66150B leans clearly toward the dark side. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Royal Maroon (#670E10). Its next-closest registered neighbors are Reddy Brown (#6E1005) and Philippine Brown (#5D1916).
Technically, the mix leans on its red channel (rgb(102, 21, 11)), which gives #66150B its character. If you plan to put text on a #66150B background, choose white — the contrast ratio is 12.5:1 (passing WCAG AAA), while black manages only 1.7:1. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. No one has named #66150B so far. Register a name for it and it becomes a permanent record.
#66150B color variations
View this color variations of tints, shades, tones and hues.
#66150B color tints
Tints look brighter, pastel, and less intense.
#66150B color shades
Shades look darker, richer, and more solid.
#66150B color tones
Tones looks more sophisticated and complex than base colors.
#66150B color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#66150B 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.
Split complementary
Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.
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.
Triadic
Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.
Tetradic
Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.
Square
Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.
Alternatives to #66150B color
View adjacent and very similar colors.
Nearest named colors to #66150B
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#670E10
#6E1005
#5D1916
#711A00
#5F0609
#6E0902
#591600
#770F05
#541012
#621D1D
#610C1D
#592100
#66150B color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#66150B
- RGB102, 21, 11
- CMYK0, 32, 36, 60
- CSSrgb(102, 21, 11)
- HSL7°, 81%, 22%
- HSL Precise6.593°, 80.531%, 22.157%
- HSV7°, 89%, 40%
- HSB7°, 89%, 40%
- Normalized R (0.0–1.0)0.400
- Normalized G (0.0–1.0)0.082
- Normalized B (0.0–1.0)0.043
- GLSLvec3(0.400, 0.082, 0.043)
- GLSL with alphavec4(0.400, 0.082, 0.043, 1.000)
- HLSL / Metalfloat3(0.400, 0.082, 0.043)
- Percentage of Red in RGB40%
- Percentage of Green in RGB8.2%
- Percentage of Blue in RGB4.3%
- Color FamilyRed
- Saturation FamilyHigh Saturation
- Lightness FamilyDark
- HEX ID66150B
- DECIMAL ID6690059
- Name LengthThis color has no name
- Seen by search & AI crawlers18 times
- Counting from2025-01-01
