Information about OSS Blue color
Basic facts about this digital color
The color #1B2450 reads as a clearly saturated deep-sea blue and leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Space Cadet (#1D2951). Its next-closest registered neighbors are Dark Blue Lapis Lazuli (#1B294B) and Braves Navy (#13274F).
In RGB terms — rgb(27, 36, 80) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #1B2450: 14.8:1 contrast (passing WCAG AAA) versus 1.4:1 for black. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. This precise shade carries the officially registered name "OSS Blue" in the Register.
OSS Blue color variations
View this color variations of tints, shades, tones and hues.
OSS Blue color tints
Tints look brighter, pastel, and less intense.
OSS Blue color shades
Shades look darker, richer, and more solid.
OSS Blue color tones
Tones looks more sophisticated and complex than base colors.
OSS Blue color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
OSS Blue 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 OSS Blue color
View adjacent and very similar colors.
Nearest named colors to OSS Blue
The closest officially registered color names in the Register, ordered by similarity.
#1D2951
#1B294B
#13274F
#13264D
#132257
#192C49
#191F45
#122B4A
#232545
#262857
#202A44
#1F2142
OSS Blue color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#1B2450
- RGB27, 36, 80
- CMYK21, 17, 0, 69
- CSSrgb(27, 36, 80)
- HSL230°, 50%, 21%
- HSL Precise229.811°, 49.533%, 20.98%
- HSV230°, 66%, 31%
- HSB230°, 66%, 31%
- Normalized R (0.0–1.0)0.106
- Normalized G (0.0–1.0)0.141
- Normalized B (0.0–1.0)0.314
- GLSLvec3(0.106, 0.141, 0.314)
- GLSL with alphavec4(0.106, 0.141, 0.314, 1.000)
- HLSL / Metalfloat3(0.106, 0.141, 0.314)
- Percentage of Red in RGB10.6%
- Percentage of Green in RGB14.1%
- Percentage of Blue in RGB31.4%
- Color FamilyBlue
- Saturation FamilyModerate Saturation
- Lightness FamilyDark
- HEX ID1B2450
- DECIMAL ID1778768
- Name Length8
- This page visited304 times
- Counting from2025-01-01
