Bilbao

Q: How do I use #397E1B in CSS?

You can use #397E1B in CSS with: background-color: #397E1B; or color: #397E1B; or as an RGB value: rgb(57, 126, 27). For print design, use CMYK: 55%, 0%, 79%, 51%.

#397E1B

Bilbao is a neutral dark color with the hex code #397E1B. This vibrant hue can be represented as RGB 57, 126, 27 in digital design or CMYK 55%, 0%, 79%, 51% for print applications. Find matching Pantone color.

Bilbao color values

HEX: #397E1B
RGB: 57, 126, 27
HSL: 102°, 65%, 30%
CMYK: 55, 0, 79, 51

Shades & tints

Darker Lighter

About this color

Bilbao sits at 102° on the color wheel with 65% saturation and 30% lightness, placing it in the green segment of the spectrum. At 65% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. The lower lightness gives it weight and depth, lending gravity to any palette it enters.

In digital environments, Bilbao is rendered as rgb(57, 126, 27), where the green channel leads at 126, producing a distinctly green-dominant tone. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.

For print, Bilbao translates to a CMYK breakdown of 55C 0M 79Y 51K. A substantial black component (51%) anchors this color in print. The remaining ink channels supplement rather than drive the hue, which keeps the result stable across different paper stocks. 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 Bilbao

CSS Variable

:root {
  --brand-primary: #397E1B;
  --brand-primary-rgb: 57, 126, 27;
}

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

Tailwind Config

colors: {
  brand: '#397E1B',
}

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

Print Design (CMYK)

C: 55%
M: 0%
Y: 79%
K: 51%

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

RGB for Screens

rgb(57, 126, 27)
rgba(57, 126, 27, 0.8)

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

Brands using similar hue

7 brand s with colors near 102° on the color wheel

Frequently asked questions

What color is #397E1B?

#397E1B is Bilbao, a neutral dark color with RGB values of 57, 126, 27. It has a hue of 102°, 65% saturation, and 30% lightness in the HSL color space.

What is the RGB value of #397E1B?

The RGB color code for #397E1B is rgb(57, 126, 27). This means it contains 57 red, 126 green, and 27 blue in the RGB color model.

Is Bilbao a warm or cool color?

Bilbao (#397E1B) is a neutral color, sitting between warm and cool on the color wheel.

How do I use #397E1B in CSS?

You can use #397E1B in CSS with: background-color: #397E1B; or color: #397E1B; or as an RGB value: rgb(57, 126, 27). For print design, use CMYK: 55%, 0%, 79%, 51%.