Ultramarine is a
cool dark color with the hex code #0B0990.
This vibrant hue can be represented as RGB
11, 9, 144 in digital design or CMYK 92%, 94%, 0%, 44% for print applications.
Find matching Pantone color.
Ultramarine
#0B0990
Ultramarine color values
- HEX
- #0B0990
- RGB
- 11, 9, 144
- HSL
- 241°, 88%, 30%
- CMYK
- 92, 94, 0, 44
Shades & tints
About this color
Ultramarine sits at 241° on the color wheel with 88% saturation and 30% lightness, placing it in the blue segment of the spectrum. With saturation at 88%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. The lower lightness gives it weight and depth, lending gravity to any palette it enters.
In digital environments, Ultramarine is rendered as rgb(11, 9, 144), where the blue channel is highest at 144, producing a strongly blue character. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.
For print, Ultramarine translates to a CMYK breakdown of 92C 94M 0Y 44K. With a moderate key (44%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.
Color harmonies
Complementary
Analogous
Triadic
Split-Complementary
How to use Ultramarine
CSS Variable
:root {
--brand-primary: #0B0990;
--brand-primary-rgb: 11, 9, 144;
} Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#0B0990',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 92%
M: 94%
Y: 0%
K: 44% Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(11, 9, 144)
rgba(11, 9, 144, 0.8) Use RGB notation for compatibility or add alpha channel for transparency.
Brands using similar hue
24 brand s with colors near 241° on the color wheel
Frequently asked questions
What color is #0B0990?
What is the RGB value of #0B0990?
Is Ultramarine a warm or cool color?
How do I use #0B0990 in CSS?
background-color: #0B0990; or color: #0B0990; or as an RGB value: rgb(11, 9, 144). For print design, use CMYK: 92%, 94%, 0%, 44%.