Steel Blue is a
cool medium color with the hex code #557FAA.
This moderately saturated hue can be represented as RGB
85, 127, 170 in digital design or CMYK 50%, 25%, 0%, 33% for print applications.
Find matching Pantone color.
Steel Blue
#557FAA
Steel Blue color values
- HEX
- #557FAA
- RGB
- 85, 127, 170
- HSL
- 210°, 33%, 50%
- CMYK
- 50, 25, 0, 33
Shades & tints
Darker Lighter
About this color
Steel Blue sits at 210° on the color wheel with 33% saturation and 50% lightness, placing it in the blue segment of the spectrum. The moderate 33% 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, Steel Blue is rendered as rgb(85, 127, 170), where the blue channel is highest at 170, 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, Steel Blue translates to a CMYK breakdown of 50C 25M 0Y 33K. With a moderate key (33%), 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.
Color harmonies
Complementary
Analogous
Triadic
Split-Complementary
How to use Steel Blue
CSS Variable
:root {
--brand-primary: #557FAA;
--brand-primary-rgb: 85, 127, 170;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#557FAA',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 50%
M: 25%
Y: 0%
K: 33%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(85, 127, 170)
rgba(85, 127, 170, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #557FAA?
#557FAA is Steel Blue, a cool medium color with RGB values of 85, 127, 170. It has a hue of 210°, 33%
saturation, and 50% lightness in the HSL color
space.
What is the RGB value of #557FAA?
The RGB color code for #557FAA is rgb(85, 127, 170). This means it contains 85 red,
127 green, and 170 blue in the RGB color model.
Is Steel Blue a warm or cool color?
Steel Blue (#557FAA) is a cool color with a hue between 120-300° on the color wheel.
How do I use #557FAA in CSS?
You can use #557FAA in CSS with:
background-color: #557FAA; or color: #557FAA; or as an RGB value: rgb(85, 127, 170). For print design, use CMYK: 50%, 25%, 0%, 33%.