Information about Dark Cobalt Blue color
Basic facts about this digital color
#273A59 presents itself as a moderately toned sky-leaning azure — one that holds a balanced mid-tone. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Blue Clouds (#273C5A). Its next-closest registered neighbors are Midnight Oil (#283854) and Dark Sapphire Blue (#273459).
Technically, the mix leans on its blue channel (rgb(39, 58, 89)), which gives #273A59 its character. If you plan to put text on a #273A59 background, choose white — the contrast ratio is 11.4:1 (passing WCAG AAA), while black manages only 1.8:1. On paper it relies strongly on black ink (K:65), so proof dark layouts before a large print run. This precise shade carries the officially registered name "Dark Cobalt Blue" in the Register.
Dark Cobalt Blue color variations
View this color variations of tints, shades, tones and hues.
Dark Cobalt Blue color tints
Tints look brighter, pastel, and less intense.
Dark Cobalt Blue color shades
Shades look darker, richer, and more solid.
Dark Cobalt Blue color tones
Tones looks more sophisticated and complex than base colors.
Dark Cobalt Blue color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
Dark Cobalt 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 Dark Cobalt Blue color
View adjacent and very similar colors.
Nearest named colors to Dark Cobalt Blue
The closest officially registered color names in the Register, ordered by similarity.
#273C5A
#283854
#273459
#274059
#2D3C54
#2B3860
#203F58
#1E385B
#303D57
#2D4256
#2A3057
#303655
Dark Cobalt Blue color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#273A59
- RGB39, 58, 89
- CMYK20, 12, 0, 65
- CSSrgb(39, 58, 89)
- HSL217°, 39%, 25%
- HSL Precise217.2°, 39.063%, 25.098%
- HSV217°, 56%, 35%
- HSB217°, 56%, 35%
- Normalized R (0.0–1.0)0.153
- Normalized G (0.0–1.0)0.227
- Normalized B (0.0–1.0)0.349
- GLSLvec3(0.153, 0.227, 0.349)
- GLSL with alphavec4(0.153, 0.227, 0.349, 1.000)
- HLSL / Metalfloat3(0.153, 0.227, 0.349)
- Percentage of Red in RGB15.3%
- Percentage of Green in RGB22.7%
- Percentage of Blue in RGB34.9%
- Color FamilyAzure
- Saturation FamilyMild Saturation
- Lightness FamilyNeutral
- HEX ID273A59
- DECIMAL ID2570841
- Name Length16
- This page visited28 times
- Counting from2025-01-01



