Information about #A21C15 color
Basic facts about this digital color
A energetic, saturated earthy red, #A21C15 holds a balanced mid-tone. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is practically indistinguishable from Pulse (#A41D19). Its next-closest registered neighbors are Spartan Crimson (#9E1316) and Tabasco (#A02712).
In RGB terms — rgb(162, 28, 21) — the red channel does the heavy lifting here. If you plan to put text on a #A21C15 background, choose white — the contrast ratio is 7.7:1 (passing WCAG AAA), while black manages only 2.7:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.
#A21C15 color variations
View this color variations of tints, shades, tones and hues.
#A21C15 color tints
Tints look brighter, pastel, and less intense.
#A21C15 color shades
Shades look darker, richer, and more solid.
#A21C15 color tones
Tones looks more sophisticated and complex than base colors.
#A21C15 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#A21C15 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 #A21C15 color
View adjacent and very similar colors.
Nearest named colors to #A21C15
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#A41D19
#9E1316
#A02712
#A81C07
#AF2413
#9B111E
#9F2305
#B31B1B
#A62A20
#B11D20
#A72127
#9D2B22
#A21C15 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#A21C15
- RGB162, 28, 21
- CMYK0, 53, 55, 36
- CSSrgb(162, 28, 21)
- HSL3°, 77%, 36%
- HSL Precise2.979°, 77.049%, 35.882%
- HSV3°, 87%, 64%
- HSB3°, 87%, 64%
- Normalized R (0.0–1.0)0.635
- Normalized G (0.0–1.0)0.110
- Normalized B (0.0–1.0)0.082
- GLSLvec3(0.635, 0.110, 0.082)
- GLSL with alphavec4(0.635, 0.110, 0.082, 1.000)
- HLSL / Metalfloat3(0.635, 0.110, 0.082)
- Percentage of Red in RGB63.5%
- Percentage of Green in RGB11%
- Percentage of Blue in RGB8.2%
- Color FamilyRed
- Saturation FamilyHigh Saturation
- Lightness FamilyNeutral
- HEX IDA21C15
- DECIMAL ID10624021
- Name LengthThis color has no name
- Seen by search & AI crawlers15 times
- Counting from2025-01-01



