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Dark Blue

#5721DE

Dark Blue is a cool medium color with the hex code #5721DE. This vibrant hue can be represented as RGB 87, 33, 222 in digital design or CMYK 61%, 85%, 0%, 13% for print applications. Find matching Pantone color.

Dark Blue color values

HEX
#5721DE
RGB
87, 33, 222
HSL
257°, 74%, 50%
CMYK
61, 85, 0, 13

Shades & tints

Darker Lighter

About this color

Dark Blue sits at 257° on the color wheel with 74% saturation and 50% lightness, placing it in the blue-violet segment of the spectrum. At 74% 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, Dark Blue is rendered as rgb(87, 33, 222), where the blue channel is highest at 222, 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 61C 85M 0Y 13K. The low-to-moderate black value (13%) means the color's character in print comes primarily from its magenta 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.

Color harmonies

Complementary

Split-Complementary

How to use Dark Blue

CSS Variable 

:root {
  --brand-primary: #5721DE;
  --brand-primary-rgb: 87, 33, 222;
}

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

Tailwind Config 

colors: {
  brand: '#5721DE',
}

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

Print Design (CMYK) 

C: 61%
M: 85%
Y: 0%
K: 13%

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

RGB for Screens 

rgb(87, 33, 222)
rgba(87, 33, 222, 0.8)

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

Brands using similar hue

13 brand s with colors near 257° on the color wheel

GitLab logo
GitLab
Canva logo
Canva
Patagonia logo
Patagonia
Twitch logo
Twitch

Frequently asked questions

What color is #5721DE?
#5721DE is Dark Blue, a cool medium color with RGB values of 87, 33, 222. It has a hue of 257°, 74% saturation, and 50% lightness in the HSL color space.
What is the RGB value of #5721DE?
The RGB color code for #5721DE is rgb(87, 33, 222). This means it contains 87 red, 33 green, and 222 blue in the RGB color model.
Is Dark Blue a warm or cool color?
Dark Blue (#5721DE) is a cool color with a hue between 120-300° on the color wheel.
How do I use #5721DE in CSS?
You can use #5721DE in CSS with: background-color: #5721DE; or color: #5721DE; or as an RGB value: rgb(87, 33, 222). For print design, use CMYK: 61%, 85%, 0%, 13%.

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