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Steel Blue

#155F84

Steel Blue is a cool dark color with the hex code #155F84. This vibrant hue can be represented as RGB 21, 95, 132 in digital design or CMYK 84%, 28%, 0%, 48% for print applications. Find matching Pantone color.

Steel Blue Color Values

HEX
#155F84
RGB
21, 95, 132
HSL
200°, 73%, 30%
CMYK
84, 28, 0, 48

About this color

Steel Blue sits at 200° on the color wheel, placing it in the cool color family, typically conveying calm and professionalism. With 73% saturation and 30% lightness, this vibrant dark hue conveys richness and intensity.

In digital design, cool colors like Steel Blue work well for backgrounds, navigation, and establishing trust. Dark colors provide excellent contrast for text overlays and premium brand aesthetics.

When using Steel Blue in print, the CMYK breakdown of 84%, 28%, 0%, 48% ensures accurate color reproduction. This balanced CMYK profile should reproduce consistently across different printing methods.

How to use Steel Blue

CSS Variable

:root {
  --brand-primary: #155F84;
  --brand-primary-rgb: 21, 95, 132;
}

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

Tailwind Config

colors: {
  brand: '#155F84',
}

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

Print Design (CMYK)

C: 84%
M: 28%
Y: 0%
K: 48%

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

RGB for Screens

rgb(21, 95, 132)
rgba(21, 95, 132, 0.8)

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

Frequently Asked Questions

What color is #155F84?
#155F84 is Steel Blue, a cool dark color with RGB values of 21, 95, 132. It has a hue of 200°, 73% saturation, and 30% lightness in the HSL color space.
What is the RGB value of #155F84?
The RGB color code for #155F84 is rgb(21, 95, 132). This means it contains 21 red, 95 green, and 132 blue in the RGB color model.
Is Steel Blue a warm or cool color?
Steel Blue (#155F84) is a cool color with a hue between 120-300° on the color wheel.
How do I use #155F84 in CSS?
You can use #155F84 in CSS with: background-color: #155F84; or color: #155F84; or as an RGB value: rgb(21, 95, 132). For print design, use CMYK: 84%, 28%, 0%, 48%.