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Slate Gray

#737D8C

Slate Gray is a cool medium color with the hex code #737D8C. This muted hue can be represented as RGB 115, 125, 140 in digital design or CMYK 18%, 11%, 0%, 45% for print applications. Find matching Pantone color.

Slate Gray Color Values

HEX
#737D8C
RGB
115, 125, 140
HSL
216°, 10%, 50%
CMYK
18, 11, 0, 45

Shades & Tints

Darker Lighter

About this color

Slate Gray sits at 216° on the color wheel, placing it in the cool color family, typically conveying calm and professionalism. With 10% saturation and 50% lightness, this muted medium hue balances visibility with restraint.

In digital design, cool colors like Slate Gray work well for backgrounds, navigation, and establishing trust. Medium-toned colors offer versatility across both light and dark design themes.

When using Slate Gray in print, the CMYK breakdown of 18%, 11%, 0%, 45% ensures accurate color reproduction. This balanced CMYK profile should reproduce consistently across different printing methods.

Color Harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Slate Gray

CSS Variable 

:root {
  --brand-primary: #737D8C;
  --brand-primary-rgb: 115, 125, 140;
}

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

Tailwind Config 

colors: {
  brand: '#737D8C',
}

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

Print Design (CMYK) 

C: 18%
M: 11%
Y: 0%
K: 45%

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

RGB for Screens 

rgb(115, 125, 140)
rgba(115, 125, 140, 0.8)

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

Frequently Asked Questions

What color is #737D8C?
#737D8C is Slate Gray, a cool medium color with RGB values of 115, 125, 140. It has a hue of 216°, 10% saturation, and 50% lightness in the HSL color space.
What is the RGB value of #737D8C?
The RGB color code for #737D8C is rgb(115, 125, 140). This means it contains 115 red, 125 green, and 140 blue in the RGB color model.
Is Slate Gray a warm or cool color?
Slate Gray (#737D8C) is a cool color with a hue between 120-300° on the color wheel.
How do I use #737D8C in CSS?
You can use #737D8C in CSS with: background-color: #737D8C; or color: #737D8C; or as an RGB value: rgb(115, 125, 140). For print design, use CMYK: 18%, 11%, 0%, 45%.

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