Blue Gem is a
cool dark color with the hex code #400C8D.
This vibrant hue can be represented as RGB
64, 12, 141 in digital design or CMYK 55%, 91%, 0%, 45% for print applications.
Find matching Pantone color.
Blue Gem
#400C8D
Blue Gem color values
- HEX
- #400C8D
- RGB
- 64, 12, 141
- HSL
- 264°, 84%, 30%
- CMYK
- 55, 91, 0, 45
Shades & tints
Darker Lighter
About this color
Blue Gem sits at 264° on the color wheel with 84% saturation and 30% lightness, placing it in the blue-violet segment of the spectrum. With saturation at 84%, 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, Blue Gem is rendered as rgb(64, 12, 141), where the blue channel is highest at 141, 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, Blue Gem translates to a CMYK breakdown of 55C 91M 0Y 45K. With a moderate key (45%), 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 Blue Gem
CSS Variable
:root {
--brand-primary: #400C8D;
--brand-primary-rgb: 64, 12, 141;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#400C8D',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 55%
M: 91%
Y: 0%
K: 45%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(64, 12, 141)
rgba(64, 12, 141, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #400C8D?
#400C8D is Blue Gem, a cool dark color with RGB values of 64, 12, 141. It has a hue of 264°, 84%
saturation, and 30% lightness in the HSL color
space.
What is the RGB value of #400C8D?
The RGB color code for #400C8D is rgb(64, 12, 141). This means it contains 64 red,
12 green, and 141 blue in the RGB color model.
Is Blue Gem a warm or cool color?
Blue Gem (#400C8D) is a cool color with a hue between 120-300° on the color wheel.
How do I use #400C8D in CSS?
You can use #400C8D in CSS with:
background-color: #400C8D; or color: #400C8D; or as an RGB value: rgb(64, 12, 141). For print design, use CMYK: 55%, 91%, 0%, 45%.