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Steel Blue

#1F77AD

Steel Blue is a cool medium color with the hex code #1F77AD. This vibrant hue can be represented as RGB 31, 119, 173 in digital design or CMYK 82%, 31%, 0%, 32% for print applications. Find matching Pantone color.

Steel Blue color values

HEX
#1F77AD
RGB
31, 119, 173
HSL
203°, 70%, 40%
CMYK
82, 31, 0, 32

About this color

Steel Blue sits at 203° on the color wheel with 70% saturation and 40% lightness, placing it in the blue segment of the spectrum. At 70% 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, Steel Blue is rendered as rgb(31, 119, 173), where the blue channel is highest at 173, 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, Steel Blue translates to a CMYK breakdown of 82C 31M 0Y 32K. With a moderate key (32%), 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 Steel Blue

CSS Variable

:root {
  --brand-primary: #1F77AD;
  --brand-primary-rgb: 31, 119, 173;
}

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

Tailwind Config

colors: {
  brand: '#1F77AD',
}

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

Print Design (CMYK)

C: 82%
M: 31%
Y: 0%
K: 32%

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

RGB for Screens

rgb(31, 119, 173)
rgba(31, 119, 173, 0.8)

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

Frequently asked questions

What color is #1F77AD?
#1F77AD is Steel Blue, a cool medium color with RGB values of 31, 119, 173. It has a hue of 203°, 70% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #1F77AD?
The RGB color code for #1F77AD is rgb(31, 119, 173). This means it contains 31 red, 119 green, and 173 blue in the RGB color model.
Is Steel Blue a warm or cool color?
Steel Blue (#1F77AD) is a cool color with a hue between 120-300° on the color wheel.
How do I use #1F77AD in CSS?
You can use #1F77AD in CSS with: background-color: #1F77AD; or color: #1F77AD; or as an RGB value: rgb(31, 119, 173). For print design, use CMYK: 82%, 31%, 0%, 32%.