Mariner

Q: How do I use #0369C9 in CSS?

You can use #0369C9 in CSS with: background-color: #0369C9; or color: #0369C9; or as an RGB value: rgb(3, 105, 201). For print design, use CMYK: 99%, 48%, 0%, 21%.

#0369C9

Mariner is a cool medium color with the hex code #0369C9. This vibrant hue can be represented as RGB 3, 105, 201 in digital design or CMYK 99%, 48%, 0%, 21% for print applications. Find matching Pantone color.

Mariner color values

HEX: #0369C9
RGB: 3, 105, 201
HSL: 209°, 97%, 40%
CMYK: 99, 48, 0, 21

Shades & tints

Darker Lighter

About this color

Mariner sits at 209° 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, Mariner is rendered as rgb(3, 105, 201), where the blue channel is highest at 201, 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, Mariner translates to a CMYK breakdown of 99C 48M 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.

Color harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Mariner

CSS Variable

:root {
  --brand-primary: #0369C9;
  --brand-primary-rgb: 3, 105, 201;
}

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

Tailwind Config

colors: {
  brand: '#0369C9',
}

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

Print Design (CMYK)

C: 99%
M: 48%
Y: 0%
K: 21%

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

RGB for Screens

rgb(3, 105, 201)
rgba(3, 105, 201, 0.8)

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

Brands using similar hue

24 brand s with colors near 209° on the color wheel

Frequently asked questions

What color is #0369C9?

#0369C9 is Mariner, a cool medium color with RGB values of 3, 105, 201. It has a hue of 209°, 97% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #0369C9?

The RGB color code for #0369C9 is rgb(3, 105, 201). This means it contains 3 red, 105 green, and 201 blue in the RGB color model.

Is Mariner a warm or cool color?

Mariner (#0369C9) is a cool color with a hue between 120-300° on the color wheel.

How do I use #0369C9 in CSS?

You can use #0369C9 in CSS with: background-color: #0369C9; or color: #0369C9; or as an RGB value: rgb(3, 105, 201). For print design, use CMYK: 99%, 48%, 0%, 21%.