Skip to main content

Boston Blue

#3489A8

Boston Blue is a cool medium color with the hex code #3489A8. This moderately saturated hue can be represented as RGB 52, 137, 168 in digital design or CMYK 69%, 18%, 0%, 34% for print applications. Find matching Pantone color.

Boston Blue color values

HEX
#3489A8
RGB
52, 137, 168
HSL
196°, 53%, 43%
CMYK
69, 18, 0, 34

About this color

Boston Blue sits at 196° on the color wheel with 53% saturation and 43% lightness, placing it in the blue segment of the spectrum. The moderate 53% saturation gives it enough color presence to register clearly without competing for dominance in a composition. 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(52, 137, 168), where the blue channel is highest at 168, anchoring the color in the cool register. This cool mid-tone is a reliable choice for UI chrome, informational states, and contexts that call for a calm, readable presence.

For print, Boston Blue translates to a CMYK breakdown of 69C 18M 0Y 34K. With a moderate key (34%), 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: #3489A8;
  --brand-primary-rgb: 52, 137, 168;
}

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

Tailwind Config

colors: {
  brand: '#3489A8',
}

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

Print Design (CMYK)

C: 69%
M: 18%
Y: 0%
K: 34%

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

RGB for Screens

rgb(52, 137, 168)
rgba(52, 137, 168, 0.8)

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

Frequently asked questions

What color is #3489A8?
#3489A8 is Boston Blue, a cool medium color with RGB values of 52, 137, 168. It has a hue of 196°, 53% saturation, and 43% lightness in the HSL color space.
What is the RGB value of #3489A8?
The RGB color code for #3489A8 is rgb(52, 137, 168). This means it contains 52 red, 137 green, and 168 blue in the RGB color model.
Is Boston Blue a warm or cool color?
Boston Blue (#3489A8) is a cool color with a hue between 120-300° on the color wheel.
How do I use #3489A8 in CSS?
You can use #3489A8 in CSS with: background-color: #3489A8; or color: #3489A8; or as an RGB value: rgb(52, 137, 168). For print design, use CMYK: 69%, 18%, 0%, 34%.