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Dark Blue

#2539EF

Dark Blue is a cool medium color with the hex code #2539EF. This vibrant hue can be represented as RGB 37, 57, 239 in digital design or CMYK 85%, 76%, 0%, 6% for print applications. Find matching Pantone color.

Dark Blue color values

HEX
#2539EF
RGB
37, 57, 239
HSL
234°, 86%, 54%
CMYK
85, 76, 0, 6

About this color

Dark Blue sits at 234° on the color wheel with 86% saturation and 54% lightness, placing it in the blue segment of the spectrum. With saturation at 86%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.

In digital environments, Dark Blue is rendered as rgb(37, 57, 239), where the blue channel is highest at 239, 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 85C 76M 0Y 6K. The low-to-moderate black value (6%) means the color's character in print comes primarily from its cyan ink content (85%), 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: #2539EF;
  --brand-primary-rgb: 37, 57, 239;
}

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

Tailwind Config

colors: {
  brand: '#2539EF',
}

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

Print Design (CMYK)

C: 85%
M: 76%
Y: 0%
K: 6%

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

RGB for Screens

rgb(37, 57, 239)
rgba(37, 57, 239, 0.8)

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

Frequently asked questions

What color is #2539EF?
#2539EF is Dark Blue, a cool medium color with RGB values of 37, 57, 239. It has a hue of 234°, 86% saturation, and 54% lightness in the HSL color space.
What is the RGB value of #2539EF?
The RGB color code for #2539EF is rgb(37, 57, 239). This means it contains 37 red, 57 green, and 239 blue in the RGB color model.
Is Dark Blue a warm or cool color?
Dark Blue (#2539EF) is a cool color with a hue between 120-300° on the color wheel.
How do I use #2539EF in CSS?
You can use #2539EF in CSS with: background-color: #2539EF; or color: #2539EF; or as an RGB value: rgb(37, 57, 239). For print design, use CMYK: 85%, 76%, 0%, 6%.