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Deep Cerulean

#0080B3

Deep Cerulean is a cool dark color with the hex code #0080B3. This vibrant hue can be represented as RGB 0, 128, 179 in digital design or CMYK 100%, 28%, 0%, 30% for print applications. Find matching Pantone color.

Deep Cerulean color values

HEX
#0080B3
RGB
0, 128, 179
HSL
197°, 100%, 35%
CMYK
100, 28, 0, 30

Shades & tints

Darker Lighter

About this color

Deep Cerulean sits at 197° on the color wheel with 100% saturation and 35% lightness, placing it in the blue segment of the spectrum. With saturation at 100%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. The lower lightness gives it weight and depth, lending gravity to any palette it enters.

In digital environments, Deep Cerulean is rendered as rgb(0, 128, 179), where the blue channel is highest at 179, anchoring the color in the cool register. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.

For print, Deep Cerulean translates to a CMYK breakdown of 100C 28M 0Y 30K. With a moderate key (30%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. 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 Deep Cerulean

CSS Variable 

:root {
  --brand-primary: #0080B3;
  --brand-primary-rgb: 0, 128, 179;
}

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

Tailwind Config 

colors: {
  brand: '#0080B3',
}

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

Print Design (CMYK) 

C: 100%
M: 28%
Y: 0%
K: 30%

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

RGB for Screens 

rgb(0, 128, 179)
rgba(0, 128, 179, 0.8)

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

Brands using similar hue

24 brand s with colors near 197° on the color wheel

Figma logo
Figma
Salesforce logo
Salesforce
Intel logo
Intel
Snowflake logo
Snowflake

Frequently asked questions

What color is #0080B3?
#0080B3 is Deep Cerulean, a cool dark color with RGB values of 0, 128, 179. It has a hue of 197°, 100% saturation, and 35% lightness in the HSL color space.
What is the RGB value of #0080B3?
The RGB color code for #0080B3 is rgb(0, 128, 179). This means it contains 0 red, 128 green, and 179 blue in the RGB color model.
Is Deep Cerulean a warm or cool color?
Deep Cerulean (#0080B3) is a cool color with a hue between 120-300° on the color wheel.
How do I use #0080B3 in CSS?
You can use #0080B3 in CSS with: background-color: #0080B3; or color: #0080B3; or as an RGB value: rgb(0, 128, 179). For print design, use CMYK: 100%, 28%, 0%, 30%.

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