Cerulean Blue is a
cool medium color with the hex code #3855C7.
This moderately saturated hue can be represented as RGB
56, 85, 199 in digital design or CMYK 72%, 57%, 0%, 22% for print applications.
Find matching Pantone color.
Cerulean Blue
#3855C7
Cerulean Blue color values
- HEX
- #3855C7
- RGB
- 56, 85, 199
- HSL
- 228°, 56%, 50%
- CMYK
- 72, 57, 0, 22
Shades & tints
Darker Lighter
About this color
Cerulean Blue sits at 228° on the color wheel with 56% saturation and 50% lightness, placing it in the blue segment of the spectrum. The moderate 56% saturation gives it enough color presence to register clearly without competing for dominance in a composition. 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, Cerulean Blue is rendered as rgb(56, 85, 199), where the blue channel is highest at 199, producing a strongly blue character. This cool mid-tone is a reliable choice for UI chrome, informational states, and contexts that call for a calm, readable presence.
For print, Cerulean Blue translates to a CMYK breakdown of 72C 57M 0Y 22K. The low-to-moderate black value (22%) means the color's character in print comes primarily from its cyan ink content (72%), 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 Cerulean Blue
CSS Variable
:root {
--brand-primary: #3855C7;
--brand-primary-rgb: 56, 85, 199;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#3855C7',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 72%
M: 57%
Y: 0%
K: 22%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(56, 85, 199)
rgba(56, 85, 199, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #3855C7?
#3855C7 is Cerulean Blue, a cool medium color with RGB values of 56, 85, 199. It has a hue of 228°, 56%
saturation, and 50% lightness in the HSL color
space.
What is the RGB value of #3855C7?
The RGB color code for #3855C7 is rgb(56, 85, 199). This means it contains 56 red,
85 green, and 199 blue in the RGB color model.
Is Cerulean Blue a warm or cool color?
Cerulean Blue (#3855C7) is a cool color with a hue between 120-300° on the color wheel.
How do I use #3855C7 in CSS?
You can use #3855C7 in CSS with:
background-color: #3855C7; or color: #3855C7; or as an RGB value: rgb(56, 85, 199). For print design, use CMYK: 72%, 57%, 0%, 22%.