Ultramarine is a
cool medium color with the hex code #2424A8.
This vibrant hue can be represented as RGB
36, 36, 168 in digital design or CMYK 79%, 79%, 0%, 34% for print applications.
Find matching Pantone color.
Ultramarine
#2424A8
Ultramarine color values
- HEX
- #2424A8
- RGB
- 36, 36, 168
- HSL
- 240°, 65%, 40%
- CMYK
- 79, 79, 0, 34
Shades & tints
Darker Lighter
About this color
Ultramarine sits at 240° on the color wheel with 65% saturation and 40% lightness, placing it in the blue segment of the spectrum. At 65% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. Its mid-range lightness positions it as a mid-tone: neither a background color nor a deep accent, but something in between.
In digital environments, Ultramarine is rendered as rgb(36, 36, 168), where the blue channel is highest at 168, producing a strongly blue character. The mid-range lightness and strong saturation make this versatile for both foreground and background roles, depending on what it is paired against.
For print, Ultramarine translates to a CMYK breakdown of 79C 79M 0Y 34K. With a moderate key (34%), 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: #2424A8;
--brand-primary-rgb: 36, 36, 168;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#2424A8',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 79%
M: 79%
Y: 0%
K: 34%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(36, 36, 168)
rgba(36, 36, 168, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Brands using similar hue
24 brand s with colors near 240° on the color wheel
Frequently asked questions
What color is #2424A8?
#2424A8 is Ultramarine, a cool medium color with RGB values of 36, 36, 168. It has a hue of 240°, 65%
saturation, and 40% lightness in the HSL color
space.
What is the RGB value of #2424A8?
The RGB color code for #2424A8 is rgb(36, 36, 168). This means it contains 36 red,
36 green, and 168 blue in the RGB color model.
Is Ultramarine a warm or cool color?
Ultramarine (#2424A8) is a cool color with a hue between 120-300° on the color wheel.
How do I use #2424A8 in CSS?
You can use #2424A8 in CSS with:
background-color: #2424A8; or color: #2424A8; or as an RGB value: rgb(36, 36, 168). For print design, use CMYK: 79%, 79%, 0%, 34%.