Information about #631C21 color
Basic facts about this digital color
A clearly saturated earthy red, #631C21 stays on the darker end of the scale. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Vintage Maroon (#621D1D). Slightly further away sit Pohutukawa (#651C26) and Rata (#5D1F1E).
The recipe behind #631C21 is rgb(99, 28, 33), with red as the dominant ingredient. Accessibility-wise, white text works best on #631C21: 12.2:1 contrast (passing WCAG AAA) versus 1.7:1 for black. For print, note the heavy black component (K:61) — 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.
#631C21 color variations
View this color variations of tints, shades, tones and hues.
#631C21 color tints
Tints look brighter, pastel, and less intense.
#631C21 color shades
Shades look darker, richer, and more solid.
#631C21 color tones
Tones looks more sophisticated and complex than base colors.
#631C21 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#631C21 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 #631C21 color
View adjacent and very similar colors.
Nearest named colors to #631C21
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#621D1D
#651C26
#5D1F1E
#672422
#65192A
#642620
#6B2320
#681B2B
#641226
#6D1C27
#58181F
#582124
#631C21 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#631C21
- RGB99, 28, 33
- CMYK0, 28, 26, 61
- CSSrgb(99, 28, 33)
- HSL356°, 56%, 25%
- HSL Precise355.775°, 55.906%, 24.902%
- HSV356°, 72%, 39%
- HSB356°, 72%, 39%
- Normalized R (0.0–1.0)0.388
- Normalized G (0.0–1.0)0.110
- Normalized B (0.0–1.0)0.129
- GLSLvec3(0.388, 0.110, 0.129)
- GLSL with alphavec4(0.388, 0.110, 0.129, 1.000)
- HLSL / Metalfloat3(0.388, 0.110, 0.129)
- Percentage of Red in RGB38.8%
- Percentage of Green in RGB11%
- Percentage of Blue in RGB12.9%
- Color FamilyRed
- Saturation FamilyModerate Saturation
- Lightness FamilyDark
- HEX ID631C21
- DECIMAL ID6495265
- Name LengthThis color has no name
- Seen by search & AI crawlers24 times
- Counting from2025-01-01
