Regent St Blue is a
cool light color with the hex code #A5DDEE.
This vibrant hue can be represented as RGB
165, 221, 238 in digital design or CMYK 31%, 7%, 0%, 7% for print applications.
Find matching Pantone color.
Regent St Blue
#A5DDEE
Regent St Blue color values
- HEX
- #A5DDEE
- RGB
- 165, 221, 238
- HSL
- 194°, 68%, 79%
- CMYK
- 31, 7, 0, 7
Shades & tints
Darker Lighter
About this color
Regent St Blue sits at 194° on the color wheel with 68% saturation and 79% lightness, placing it in the cyan segment of the spectrum. At 68% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. The elevated lightness keeps it airy and open, well-suited to large surface areas without visual weight.
In digital environments, Regent St Blue is rendered as rgb(165, 221, 238), where the blue channel is highest at 238, though it sits close to the other channels. High saturation at this lightness produces strong contrast against white — effective for CTAs, badges, and elements that need to stop the eye.
For print, Regent St Blue translates to a CMYK breakdown of 31C 7M 0Y 7K. The low-to-moderate black value (7%) means the color's character in print comes primarily from its cyan ink content (31%), 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 Regent St Blue
CSS Variable
:root {
--brand-primary: #A5DDEE;
--brand-primary-rgb: 165, 221, 238;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#A5DDEE',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 31%
M: 7%
Y: 0%
K: 7%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(165, 221, 238)
rgba(165, 221, 238, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #A5DDEE?
#A5DDEE is Regent St Blue, a cool light color with RGB values of 165, 221, 238. It has a hue of 194°, 68%
saturation, and 79% lightness in the HSL color
space.
What is the RGB value of #A5DDEE?
The RGB color code for #A5DDEE is rgb(165, 221, 238). This means it contains 165 red,
221 green, and 238 blue in the RGB color model.
Is Regent St Blue a warm or cool color?
Regent St Blue (#A5DDEE) is a cool color with a hue between 120-300° on the color wheel.
How do I use #A5DDEE in CSS?
You can use #A5DDEE in CSS with:
background-color: #A5DDEE; or color: #A5DDEE; or as an RGB value: rgb(165, 221, 238). For print design, use CMYK: 31%, 7%, 0%, 7%.