Gulf Blue is a
cool dark color with the hex code #121654.
This vibrant hue can be represented as RGB
18, 22, 84 in digital design or CMYK 79%, 74%, 0%, 67% for print applications.
Find matching Pantone color.
Gulf Blue
#121654
Gulf Blue color values
- HEX
- #121654
- RGB
- 18, 22, 84
- HSL
- 236°, 65%, 20%
- CMYK
- 79, 74, 0, 67
Shades & tints
About this color
Gulf Blue sits at 236° on the color wheel with 65% saturation and 20% lightness, placing it in the blue segment of the spectrum. At 65% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. The lower lightness gives it weight and depth, lending gravity to any palette it enters.
In digital environments, Gulf Blue is rendered as rgb(18, 22, 84), where the blue channel is highest at 84, producing a strongly blue character. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.
For print, Gulf Blue translates to a CMYK breakdown of 79C 74M 0Y 67K. A substantial black component (67%) anchors this color in print. The remaining ink channels supplement rather than drive the hue, which keeps the result stable across different paper stocks. 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 Gulf Blue
CSS Variable
:root {
--brand-primary: #121654;
--brand-primary-rgb: 18, 22, 84;
} Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#121654',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 79%
M: 74%
Y: 0%
K: 67% Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(18, 22, 84)
rgba(18, 22, 84, 0.8) Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #121654?
What is the RGB value of #121654?
Is Gulf Blue a warm or cool color?
How do I use #121654 in CSS?
background-color: #121654; or color: #121654; or as an RGB value: rgb(18, 22, 84). For print design, use CMYK: 79%, 74%, 0%, 67%.