Skip to main content

Dark Blue

#2124E4

Dark Blue is a cool medium color with the hex code #2124E4. This vibrant hue can be represented as RGB 33, 36, 228 in digital design or CMYK 86%, 84%, 0%, 11% for print applications. Find matching Pantone color.

Dark Blue color values

HEX
#2124E4
RGB
33, 36, 228
HSL
239°, 78%, 51%
CMYK
86, 84, 0, 11

About this color

Dark Blue sits at 239° on the color wheel with 78% saturation and 51% lightness, placing it in the blue segment of the spectrum. At 78% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.

In digital environments, Dark Blue is rendered as rgb(33, 36, 228), where the blue channel is highest at 228, 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, Dark Blue translates to a CMYK breakdown of 86C 84M 0Y 11K. The low-to-moderate black value (11%) means the color's character in print comes primarily from its cyan ink content (86%), with black serving as a supporting shadow tone. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

How to use Dark Blue

CSS Variable

:root {
  --brand-primary: #2124E4;
  --brand-primary-rgb: 33, 36, 228;
}

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

Tailwind Config

colors: {
  brand: '#2124E4',
}

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

Print Design (CMYK)

C: 86%
M: 84%
Y: 0%
K: 11%

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

RGB for Screens

rgb(33, 36, 228)
rgba(33, 36, 228, 0.8)

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

Frequently asked questions

What color is #2124E4?
#2124E4 is Dark Blue, a cool medium color with RGB values of 33, 36, 228. It has a hue of 239°, 78% saturation, and 51% lightness in the HSL color space.
What is the RGB value of #2124E4?
The RGB color code for #2124E4 is rgb(33, 36, 228). This means it contains 33 red, 36 green, and 228 blue in the RGB color model.
Is Dark Blue a warm or cool color?
Dark Blue (#2124E4) is a cool color with a hue between 120-300° on the color wheel.
How do I use #2124E4 in CSS?
You can use #2124E4 in CSS with: background-color: #2124E4; or color: #2124E4; or as an RGB value: rgb(33, 36, 228). For print design, use CMYK: 86%, 84%, 0%, 11%.