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Boston Blue

#148CB8

Boston Blue is a cool medium color with the hex code #148CB8. This vibrant hue can be represented as RGB 20, 140, 184 in digital design or CMYK 89%, 24%, 0%, 28% for print applications. Find matching Pantone color.

Boston Blue color values

HEX
#148CB8
RGB
20, 140, 184
HSL
196°, 80%, 40%
CMYK
89, 24, 0, 28

About this color

Boston Blue sits at 196° on the color wheel with 80% saturation and 40% lightness, placing it in the blue segment of the spectrum. With saturation at 80%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. 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(20, 140, 184), where the blue channel is highest at 184, 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 89C 24M 0Y 28K. With a moderate key (28%), 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: #148CB8;
  --brand-primary-rgb: 20, 140, 184;
}

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

Tailwind Config

colors: {
  brand: '#148CB8',
}

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

Print Design (CMYK)

C: 89%
M: 24%
Y: 0%
K: 28%

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

RGB for Screens

rgb(20, 140, 184)
rgba(20, 140, 184, 0.8)

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

Frequently asked questions

What color is #148CB8?
#148CB8 is Boston Blue, a cool medium color with RGB values of 20, 140, 184. It has a hue of 196°, 80% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #148CB8?
The RGB color code for #148CB8 is rgb(20, 140, 184). This means it contains 20 red, 140 green, and 184 blue in the RGB color model.
Is Boston Blue a warm or cool color?
Boston Blue (#148CB8) is a cool color with a hue between 120-300° on the color wheel.
How do I use #148CB8 in CSS?
You can use #148CB8 in CSS with: background-color: #148CB8; or color: #148CB8; or as an RGB value: rgb(20, 140, 184). For print design, use CMYK: 89%, 24%, 0%, 28%.