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Boston Blue

#2788A5

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 color values

HEX
#2788A5
RGB
39, 136, 165
HSL
194°, 62%, 40%
CMYK
76, 18, 0, 35

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.

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?
#2788A5 is Boston Blue, a cool medium color with RGB values of 39, 136, 165. It has a hue of 194°, 62% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #2788A5?
The RGB color code for #2788A5 is rgb(39, 136, 165). This means it contains 39 red, 136 green, and 165 blue in the RGB color model.
Is Boston Blue a warm or cool color?
Boston Blue (#2788A5) is a cool color with a hue between 120-300° on the color wheel.
How do I use #2788A5 in CSS?
You can use #2788A5 in CSS with: background-color: #2788A5; or color: #2788A5; or as an RGB value: rgb(39, 136, 165). For print design, use CMYK: 76%, 18%, 0%, 35%.