Persian Indigo

Q: How do I use #391B7E in CSS?

You can use #391B7E in CSS with: background-color: #391B7E; or color: #391B7E; or as an RGB value: rgb(57, 27, 126). For print design, use CMYK: 55%, 79%, 0%, 51%.

#391B7E

Persian Indigo is a cool dark color with the hex code #391B7E. This vibrant hue can be represented as RGB 57, 27, 126 in digital design or CMYK 55%, 79%, 0%, 51% for print applications. Find matching Pantone color.

Persian Indigo color values

HEX: #391B7E
RGB: 57, 27, 126
HSL: 258°, 65%, 30%
CMYK: 55, 79, 0, 51

Shades & tints

Darker Lighter

About this color

Persian Indigo sits at 258° on the color wheel with 65% saturation and 30% lightness, placing it in the blue-violet 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, Persian Indigo is rendered as rgb(57, 27, 126), where the blue channel is highest at 126, producing a strongly blue character. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.

For print, Persian Indigo translates to a CMYK breakdown of 55C 79M 0Y 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 Persian Indigo

CSS Variable

:root {
  --brand-primary: #391B7E;
  --brand-primary-rgb: 57, 27, 126;
}

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

Tailwind Config

colors: {
  brand: '#391B7E',
}

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

Print Design (CMYK)

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

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

RGB for Screens

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

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

Brands using similar hue

14 brand s with colors near 258° on the color wheel

Frequently asked questions

What color is #391B7E?

#391B7E is Persian Indigo, a cool dark color with RGB values of 57, 27, 126. It has a hue of 258°, 65% saturation, and 30% lightness in the HSL color space.

What is the RGB value of #391B7E?

The RGB color code for #391B7E is rgb(57, 27, 126). This means it contains 57 red, 27 green, and 126 blue in the RGB color model.

Is Persian Indigo a warm or cool color?

Persian Indigo (#391B7E) is a cool color with a hue between 120-300° on the color wheel.

How do I use #391B7E in CSS?

You can use #391B7E in CSS with: background-color: #391B7E; or color: #391B7E; or as an RGB value: rgb(57, 27, 126). For print design, use CMYK: 55%, 79%, 0%, 51%.