Dark Blue is a
cool medium color with the hex code #173AE8.
This vibrant hue can be represented as RGB
23, 58, 232 in digital design or CMYK 90%, 75%, 0%, 9% for print applications.
Find matching Pantone color.
Dark Blue
#173AE8
Dark Blue color values
- HEX
- #173AE8
- RGB
- 23, 58, 232
- HSL
- 230°, 82%, 50%
- CMYK
- 90, 75, 0, 9
Shades & tints
Darker Lighter
About this color
Dark Blue sits at 230° on the color wheel with 82% saturation and 50% lightness, placing it in the blue segment of the spectrum. With saturation at 82%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. 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(23, 58, 232), where the blue channel is highest at 232, 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 90C 75M 0Y 9K. The low-to-moderate black value (9%) means the color's character in print comes primarily from its cyan ink content (90%), 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
Analogous
Triadic
Split-Complementary
How to use Dark Blue
CSS Variable
:root {
--brand-primary: #173AE8;
--brand-primary-rgb: 23, 58, 232;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#173AE8',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 90%
M: 75%
Y: 0%
K: 9%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(23, 58, 232)
rgba(23, 58, 232, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #173AE8?
#173AE8 is Dark Blue, a cool medium color with RGB values of 23, 58, 232. It has a hue of 230°, 82%
saturation, and 50% lightness in the HSL color
space.
What is the RGB value of #173AE8?
The RGB color code for #173AE8 is rgb(23, 58, 232). This means it contains 23 red,
58 green, and 232 blue in the RGB color model.
Is Dark Blue a warm or cool color?
Dark Blue (#173AE8) is a cool color with a hue between 120-300° on the color wheel.
How do I use #173AE8 in CSS?
You can use #173AE8 in CSS with:
background-color: #173AE8; or color: #173AE8; or as an RGB value: rgb(23, 58, 232). For print design, use CMYK: 90%, 75%, 0%, 9%.