Information about #221D37 color
Basic facts about this digital color
#221D37 presents itself as a moderately toned classic blue — one 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 Nite Life (#1D2134). Its next-closest registered neighbors are Midnight Express (#21263A) and Montana (#291E30).
The recipe behind #221D37 is rgb(34, 29, 55), with blue as the dominant ingredient. If you plan to put text on a #221D37 background, choose white — the contrast ratio is 16.2:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. No one has named #221D37 so far. Register a name for it and it becomes a permanent record.
#221D37 color variations
View this color variations of tints, shades, tones and hues.
#221D37 color tints
Tints look brighter, pastel, and less intense.
#221D37 color shades
Shades look darker, richer, and more solid.
#221D37 color tones
Tones looks more sophisticated and complex than base colors.
#221D37 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#221D37 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 #221D37 color
View adjacent and very similar colors.
Nearest named colors to #221D37
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#1D2134
#21263A
#291E30
#1F263B
#27253C
#232732
#2C2133
#1B2431
#252042
#1F2142
#26283B
#1E222C
#221D37 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#221D37
- RGB34, 29, 55
- CMYK8, 10, 0, 78
- CSSrgb(34, 29, 55)
- HSL252°, 31%, 16%
- HSL Precise251.538°, 30.952%, 16.471%
- HSV252°, 47%, 22%
- HSB252°, 47%, 22%
- Normalized R (0.0–1.0)0.133
- Normalized G (0.0–1.0)0.114
- Normalized B (0.0–1.0)0.216
- GLSLvec3(0.133, 0.114, 0.216)
- GLSL with alphavec4(0.133, 0.114, 0.216, 1.000)
- HLSL / Metalfloat3(0.133, 0.114, 0.216)
- Percentage of Red in RGB13.3%
- Percentage of Green in RGB11.4%
- Percentage of Blue in RGB21.6%
- Color FamilyBlue
- Saturation FamilyMild Saturation
- Lightness FamilyDark
- HEX ID221D37
- DECIMAL ID2235703
- Name LengthThis color has no name
- Seen by search & AI crawlers10 times
- Counting from2025-01-01
