Blue Lagoon is a
cool dark color with the hex code #157984.
This vibrant hue can be represented as RGB
21, 121, 132 in digital design or CMYK 84%, 8%, 0%, 48% for print applications.
Find matching Pantone color.
Blue Lagoon
#157984
Blue Lagoon color values
- HEX
- #157984
- RGB
- 21, 121, 132
- HSL
- 186°, 73%, 30%
- CMYK
- 84, 8, 0, 48
Shades & tints
Darker Lighter
About this color
Blue Lagoon sits at 186° on the color wheel with 73% saturation and 30% lightness, placing it in the cyan segment of the spectrum. At 73% 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, Blue Lagoon is rendered as rgb(21, 121, 132), where the blue channel is highest at 132, though it sits close to the other channels. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.
For print, Blue Lagoon translates to a CMYK breakdown of 84C 8M 0Y 48K. With a moderate key (48%), 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
Analogous
Triadic
Split-Complementary
How to use Blue Lagoon
CSS Variable
:root {
--brand-primary: #157984;
--brand-primary-rgb: 21, 121, 132;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#157984',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 84%
M: 8%
Y: 0%
K: 48%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(21, 121, 132)
rgba(21, 121, 132, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #157984?
#157984 is Blue Lagoon, a cool dark color with RGB values of 21, 121, 132. It has a hue of 186°, 73%
saturation, and 30% lightness in the HSL color
space.
What is the RGB value of #157984?
The RGB color code for #157984 is rgb(21, 121, 132). This means it contains 21 red,
121 green, and 132 blue in the RGB color model.
Is Blue Lagoon a warm or cool color?
Blue Lagoon (#157984) is a cool color with a hue between 120-300° on the color wheel.
How do I use #157984 in CSS?
You can use #157984 in CSS with:
background-color: #157984; or color: #157984; or as an RGB value: rgb(21, 121, 132). For print design, use CMYK: 84%, 8%, 0%, 48%.