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Ironstone

#904C3C

Ironstone is a warm medium color with the hex code #904C3C. This moderately saturated hue can be represented as RGB 144, 76, 60 in digital design or CMYK 0%, 47%, 58%, 44% for print applications. Find matching Pantone color.

Ironstone color values

HEX
#904C3C
RGB
144, 76, 60
HSL
11°, 41%, 40%
CMYK
0, 47, 58, 44

Shades & tints

Darker Lighter

About this color

Ironstone sits at 11° on the color wheel with 41% saturation and 40% lightness, placing it in the red segment of the spectrum. The moderate 41% 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, Ironstone is rendered as rgb(144, 76, 60), where the red channel dominates at 144, creating a strongly red-skewed appearance. This warm mid-tone carries enough energy to serve as an accent without the intensity of a highly saturated warm color.

For print, Ironstone translates to a CMYK breakdown of 0C 47M 58Y 44K. With a moderate key (44%), 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

Split-Complementary

How to use Ironstone

CSS Variable 

:root {
  --brand-primary: #904C3C;
  --brand-primary-rgb: 144, 76, 60;
}

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

Tailwind Config 

colors: {
  brand: '#904C3C',
}

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

Print Design (CMYK) 

C: 0%
M: 47%
Y: 58%
K: 44%

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

RGB for Screens 

rgb(144, 76, 60)
rgba(144, 76, 60, 0.8)

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

Brands using similar hue

24 brand s with colors near 11° on the color wheel

HubSpot logo
HubSpot
Heineken logo
Heineken
Microsoft logo
Microsoft
Figma logo
Figma

Frequently asked questions

What color is #904C3C?
#904C3C is Ironstone, a warm medium color with RGB values of 144, 76, 60. It has a hue of 11°, 41% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #904C3C?
The RGB color code for #904C3C is rgb(144, 76, 60). This means it contains 144 red, 76 green, and 60 blue in the RGB color model.
Is Ironstone a warm or cool color?
Ironstone (#904C3C) is a warm color with a hue between 0-60° or 300-360° on the color wheel.
How do I use #904C3C in CSS?
You can use #904C3C in CSS with: background-color: #904C3C; or color: #904C3C; or as an RGB value: rgb(144, 76, 60). For print design, use CMYK: 0%, 47%, 58%, 44%.

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