Ultramarine

Q: How do I use #2D009E in CSS?

You can use #2D009E in CSS with: background-color: #2D009E; or color: #2D009E; or as an RGB value: rgb(45, 0, 158). For print design, use CMYK: 72%, 100%, 0%, 38%.

#2D009E

Ultramarine is a cool dark color with the hex code #2D009E. This vibrant hue can be represented as RGB 45, 0, 158 in digital design or CMYK 72%, 100%, 0%, 38% for print applications. Find matching Pantone color.

Ultramarine color values

HEX: #2D009E
RGB: 45, 0, 158
HSL: 257°, 100%, 31%
CMYK: 72, 100, 0, 38

Shades & tints

Darker Lighter

About this color

Ultramarine sits at 257° on the color wheel with 100% saturation and 31% lightness, placing it in the blue-violet segment of the spectrum. With saturation at 100%, 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(45, 0, 158), where the blue channel is highest at 158, 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 72C 100M 0Y 38K. With a moderate key (38%), 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: #2D009E;
  --brand-primary-rgb: 45, 0, 158;
}

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

Tailwind Config

colors: {
  brand: '#2D009E',
}

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

Print Design (CMYK)

C: 72%
M: 100%
Y: 0%
K: 38%

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

RGB for Screens

rgb(45, 0, 158)
rgba(45, 0, 158, 0.8)

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

Brands using similar hue

13 brand s with colors near 257° on the color wheel

Frequently asked questions

What color is #2D009E?

#2D009E is Ultramarine, a cool dark color with RGB values of 45, 0, 158. It has a hue of 257°, 100% saturation, and 31% lightness in the HSL color space.

What is the RGB value of #2D009E?

The RGB color code for #2D009E is rgb(45, 0, 158). This means it contains 45 red, 0 green, and 158 blue in the RGB color model.

Is Ultramarine a warm or cool color?

Ultramarine (#2D009E) is a cool color with a hue between 120-300° on the color wheel.

How do I use #2D009E in CSS?

You can use #2D009E in CSS with: background-color: #2D009E; or color: #2D009E; or as an RGB value: rgb(45, 0, 158). For print design, use CMYK: 72%, 100%, 0%, 38%.