Boston Blue is a
cool medium color with the hex code #2788A5.
This vibrant hue can be represented as RGB
39, 136, 165 in digital design or CMYK 76%, 18%, 0%, 35% for print applications.
Find matching Pantone color.
Boston Blue
#2788A5
Boston Blue color values
- HEX
- #2788A5
- RGB
- 39, 136, 165
- HSL
- 194°, 62%, 40%
- CMYK
- 76, 18, 0, 35
Shades & tints
About this color
Boston Blue sits at 194° on the color wheel with 62% saturation and 40% lightness, placing it in the cyan segment of the spectrum. At 62% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. 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, Boston Blue is rendered as rgb(39, 136, 165), where the blue channel is highest at 165, 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, Boston Blue translates to a CMYK breakdown of 76C 18M 0Y 35K. With a moderate key (35%), 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 Boston Blue
CSS Variable
:root {
--brand-primary: #2788A5;
--brand-primary-rgb: 39, 136, 165;
} Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#2788A5',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 76%
M: 18%
Y: 0%
K: 35% Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(39, 136, 165)
rgba(39, 136, 165, 0.8) Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #2788A5?
What is the RGB value of #2788A5?
Is Boston Blue a warm or cool color?
How do I use #2788A5 in CSS?
background-color: #2788A5; or color: #2788A5; or as an RGB value: rgb(39, 136, 165). For print design, use CMYK: 76%, 18%, 0%, 35%.