Information about #631221 color
Basic facts about this digital color
#631221 is a strongly colored warm red 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 almost identical to Luxury Burgundy (#641226). Its next-closest registered neighbors are Pomegranate (#660C21) and Madam M (#610C1D).
The recipe behind #631221 is rgb(99, 18, 33), with red as the dominant ingredient. If you plan to put text on a #631221 background, choose white — the contrast ratio is 12.8:1 (passing WCAG AAA), while black manages only 1.6:1. On paper it relies strongly on black ink (K:61), so proof dark layouts before a large print run. No one has named #631221 so far. Register a name for it and it becomes a permanent record.
#631221 color variations
View this color variations of tints, shades, tones and hues.
#631221 color tints
Tints look brighter, pastel, and less intense.
#631221 color shades
Shades look darker, richer, and more solid.
#631221 color tones
Tones looks more sophisticated and complex than base colors.
#631221 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#631221 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 #631221 color
View adjacent and very similar colors.
Nearest named colors to #631221
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#641226
#660C21
#610C1D
#651C26
#65192A
#621D1D
#58181F
#58111A
#561426
#5D1916
#681B2B
#5D1F1E
#631221 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#631221
- RGB99, 18, 33
- CMYK0, 32, 26, 61
- CSSrgb(99, 18, 33)
- HSL349°, 69%, 23%
- HSL Precise348.889°, 69.231%, 22.941%
- HSV349°, 82%, 39%
- HSB349°, 82%, 39%
- Normalized R (0.0–1.0)0.388
- Normalized G (0.0–1.0)0.071
- Normalized B (0.0–1.0)0.129
- GLSLvec3(0.388, 0.071, 0.129)
- GLSL with alphavec4(0.388, 0.071, 0.129, 1.000)
- HLSL / Metalfloat3(0.388, 0.071, 0.129)
- Percentage of Red in RGB38.8%
- Percentage of Green in RGB7.1%
- Percentage of Blue in RGB12.9%
- Color FamilyRed
- Saturation FamilyHigh Saturation
- Lightness FamilyDark
- HEX ID631221
- DECIMAL ID6492705
- Name LengthThis color has no name
- Seen by search & AI crawlers10 times
- Counting from2025-01-01
