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Cerulean

#0397C9

Cerulean is a cool medium color with the hex code #0397C9. This vibrant hue can be represented as RGB 3, 151, 201 in digital design or CMYK 99%, 25%, 0%, 21% for print applications. Find matching Pantone color.

Cerulean color values

HEX
#0397C9
RGB
3, 151, 201
HSL
195°, 97%, 40%
CMYK
99, 25, 0, 21

About this color

Cerulean sits at 195° on the color wheel with 97% saturation and 40% lightness, placing it in the blue segment of the spectrum. With saturation at 97%, 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, Cerulean is rendered as rgb(3, 151, 201), where the blue channel is highest at 201, anchoring the color in the cool register. 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, Cerulean translates to a CMYK breakdown of 99C 25M 0Y 21K. The low-to-moderate black value (21%) means the color's character in print comes primarily from its cyan ink content (99%), 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 Cerulean

CSS Variable

:root {
  --brand-primary: #0397C9;
  --brand-primary-rgb: 3, 151, 201;
}

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

Tailwind Config

colors: {
  brand: '#0397C9',
}

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

Print Design (CMYK)

C: 99%
M: 25%
Y: 0%
K: 21%

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

RGB for Screens

rgb(3, 151, 201)
rgba(3, 151, 201, 0.8)

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

Frequently asked questions

What color is #0397C9?
#0397C9 is Cerulean, a cool medium color with RGB values of 3, 151, 201. It has a hue of 195°, 97% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #0397C9?
The RGB color code for #0397C9 is rgb(3, 151, 201). This means it contains 3 red, 151 green, and 201 blue in the RGB color model.
Is Cerulean a warm or cool color?
Cerulean (#0397C9) is a cool color with a hue between 120-300° on the color wheel.
How do I use #0397C9 in CSS?
You can use #0397C9 in CSS with: background-color: #0397C9; or color: #0397C9; or as an RGB value: rgb(3, 151, 201). For print design, use CMYK: 99%, 25%, 0%, 21%.