Information about #0A102C color
Basic facts about this digital color
The color #0A102C reads as a vivid, lively blue and carries a shadowy depth. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is very close to COSMIC ACE (#0B1021). Nearby in the Register you will also find Ornella Blue (#021224) and I am Core Group International (#151529).
Technically, the mix leans on its blue channel (rgb(10, 16, 44)), which gives #0A102C its character. If you plan to put text on a #0A102C background, choose white — the contrast ratio is 18.7:1 (passing WCAG AAA), while black manages only 1.1:1. On paper it relies strongly on black ink (K:83), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #0A102C is still unnamed — it can be claimed and named in The Official Register of Color Names.
#0A102C color variations
View this color variations of tints, shades, tones and hues.
#0A102C color tints
Tints look brighter, pastel, and less intense.
#0A102C color shades
Shades look darker, richer, and more solid.
#0A102C color tones
Tones looks more sophisticated and complex than base colors.
#0A102C color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#0A102C 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 #0A102C color
View adjacent and very similar colors.
Nearest named colors to #0A102C
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#0B1021
#021224
#151529
#17182B
#00022E
#11171D
#000E1D
#03163C
#181B26
#00002B
#000133
#17111D
#0A102C color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#0A102C
- RGB10, 16, 44
- CMYK13, 11, 0, 83
- CSSrgb(10, 16, 44)
- HSL229°, 63%, 11%
- HSL Precise229.412°, 62.963%, 10.588%
- HSV229°, 77%, 17%
- HSB229°, 77%, 17%
- Normalized R (0.0–1.0)0.039
- Normalized G (0.0–1.0)0.063
- Normalized B (0.0–1.0)0.173
- GLSLvec3(0.039, 0.063, 0.173)
- GLSL with alphavec4(0.039, 0.063, 0.173, 1.000)
- HLSL / Metalfloat3(0.039, 0.063, 0.173)
- Percentage of Red in RGB3.9%
- Percentage of Green in RGB6.3%
- Percentage of Blue in RGB17.3%
- Color FamilyBlue
- Saturation FamilyHigh Saturation
- Lightness FamilyDark
- HEX ID0A102C
- DECIMAL ID659500
- Name LengthThis color has no name
- Seen by search & AI crawlers17 times
- Counting from2025-01-01
