Thunderbird

Q: How do I use #B52517 in CSS?

You can use #B52517 in CSS with: background-color: #B52517; or color: #B52517; or as an RGB value: rgb(181, 37, 23). For print design, use CMYK: 0%, 80%, 87%, 29%.

#B52517

Thunderbird is a warm medium color with the hex code #B52517. This vibrant hue can be represented as RGB 181, 37, 23 in digital design or CMYK 0%, 80%, 87%, 29% for print applications. Find matching Pantone color.

Thunderbird color values

HEX: #B52517
RGB: 181, 37, 23
HSL: 5°, 77%, 40%
CMYK: 0, 80, 87, 29

Shades & tints

Darker Lighter

About this color

Thunderbird sits at 5° on the color wheel with 77% saturation and 40% lightness, placing it in the red segment of the spectrum. At 77% 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, Thunderbird is rendered as rgb(181, 37, 23), where the red channel dominates at 181, creating a strongly red-skewed appearance. 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, Thunderbird translates to a CMYK breakdown of 0C 80M 87Y 29K. With a moderate key (29%), 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 Thunderbird

CSS Variable

:root {
  --brand-primary: #B52517;
  --brand-primary-rgb: 181, 37, 23;
}

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

Tailwind Config

colors: {
  brand: '#B52517',
}

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

Print Design (CMYK)

C: 0%
M: 80%
Y: 87%
K: 29%

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

RGB for Screens

rgb(181, 37, 23)
rgba(181, 37, 23, 0.8)

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

Brands using similar hue

24 brand s with colors near 5° on the color wheel

Frequently asked questions

What color is #B52517?

#B52517 is Thunderbird, a warm medium color with RGB values of 181, 37, 23. It has a hue of 5°, 77% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #B52517?

The RGB color code for #B52517 is rgb(181, 37, 23). This means it contains 181 red, 37 green, and 23 blue in the RGB color model.

Is Thunderbird a warm or cool color?

Thunderbird (#B52517) is a warm color with a hue between 0-60° or 300-360° on the color wheel.

How do I use #B52517 in CSS?

You can use #B52517 in CSS with: background-color: #B52517; or color: #B52517; or as an RGB value: rgb(181, 37, 23). For print design, use CMYK: 0%, 80%, 87%, 29%.