Ultramarine

Q: How do I use #2B0990 in CSS?

You can use #2B0990 in CSS with: background-color: #2B0990; or color: #2B0990; or as an RGB value: rgb(43, 9, 144). For print design, use CMYK: 70%, 94%, 0%, 44%.

#2B0990

Ultramarine is a cool dark color with the hex code #2B0990. This vibrant hue can be represented as RGB 43, 9, 144 in digital design or CMYK 70%, 94%, 0%, 44% for print applications. Find matching Pantone color.

Ultramarine color values

HEX: #2B0990
RGB: 43, 9, 144
HSL: 255°, 88%, 30%
CMYK: 70, 94, 0, 44

Shades & tints

Darker Lighter

About this color

Ultramarine sits at 255° on the color wheel with 88% saturation and 30% lightness, placing it in the blue-violet 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(43, 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 70C 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: #2B0990;
  --brand-primary-rgb: 43, 9, 144;
}

Define as a CSS custom property for consistent theming across your site.

Tailwind Config

colors: {
  brand: '#2B0990',
}

Add to your Tailwind config to use classes like bg-brand.

Print Design (CMYK)

C: 70%
M: 94%
Y: 0%
K: 44%

Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.

RGB for Screens

rgb(43, 9, 144)
rgba(43, 9, 144, 0.8)

Use RGB notation for compatibility or add alpha channel for transparency.

Brands using similar hue

15 brand s with colors near 255° on the color wheel

Frequently asked questions

What color is #2B0990?

#2B0990 is Ultramarine, a cool dark color with RGB values of 43, 9, 144. It has a hue of 255°, 88% saturation, and 30% lightness in the HSL color space.

What is the RGB value of #2B0990?

The RGB color code for #2B0990 is rgb(43, 9, 144). This means it contains 43 red, 9 green, and 144 blue in the RGB color model.

Is Ultramarine a warm or cool color?

Ultramarine (#2B0990) is a cool color with a hue between 120-300° on the color wheel.

How do I use #2B0990 in CSS?

You can use #2B0990 in CSS with: background-color: #2B0990; or color: #2B0990; or as an RGB value: rgb(43, 9, 144). For print design, use CMYK: 70%, 94%, 0%, 44%.