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Deep Blue

#010374

Deep Blue is a cool dark color with the hex code #010374. This vibrant hue can be represented as RGB 1, 3, 116 in digital design or CMYK 99%, 97%, 0%, 55% for print applications. Find matching Pantone color.

Deep Blue color values

HEX
#010374
RGB
1, 3, 116
HSL
239°, 98%, 23%
CMYK
99, 97, 0, 55

About this color

Deep Blue sits at 239° on the color wheel with 98% saturation and 23% lightness, placing it in the blue segment of the spectrum. With saturation at 98%, 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, Deep Blue is rendered as rgb(1, 3, 116), where the blue channel is highest at 116, 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, Deep Blue translates to a CMYK breakdown of 99C 97M 0Y 55K. A substantial black component (55%) anchors this color in print. The remaining ink channels supplement rather than drive the hue, which keeps the result stable across different paper stocks. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

How to use Deep Blue

CSS Variable

:root {
  --brand-primary: #010374;
  --brand-primary-rgb: 1, 3, 116;
}

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

Tailwind Config

colors: {
  brand: '#010374',
}

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

Print Design (CMYK)

C: 99%
M: 97%
Y: 0%
K: 55%

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

RGB for Screens

rgb(1, 3, 116)
rgba(1, 3, 116, 0.8)

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

Frequently asked questions

What color is #010374?
#010374 is Deep Blue, a cool dark color with RGB values of 1, 3, 116. It has a hue of 239°, 98% saturation, and 23% lightness in the HSL color space.
What is the RGB value of #010374?
The RGB color code for #010374 is rgb(1, 3, 116). This means it contains 1 red, 3 green, and 116 blue in the RGB color model.
Is Deep Blue a warm or cool color?
Deep Blue (#010374) is a cool color with a hue between 120-300° on the color wheel.
How do I use #010374 in CSS?
You can use #010374 in CSS with: background-color: #010374; or color: #010374; or as an RGB value: rgb(1, 3, 116). For print design, use CMYK: 99%, 97%, 0%, 55%.