Indigo is a
cool light color with the hex code #5B78D7.
This vibrant hue can be represented as RGB
91, 120, 215 in digital design or CMYK 58%, 44%, 0%, 16% for print applications.
Find matching Pantone color.
Indigo
#5B78D7
Indigo color values
- HEX
- #5B78D7
- RGB
- 91, 120, 215
- HSL
- 226°, 61%, 60%
- CMYK
- 58, 44, 0, 16
Shades & tints
Darker Lighter
About this color
Indigo sits at 226° on the color wheel with 61% saturation and 60% lightness, placing it in the blue segment of the spectrum. At 61% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.
In digital environments, Indigo is rendered as rgb(91, 120, 215), where the blue channel is highest at 215, producing a strongly blue character. High saturation at this lightness produces strong contrast against white — effective for CTAs, badges, and elements that need to stop the eye.
For print, Indigo translates to a CMYK breakdown of 58C 44M 0Y 16K. The low-to-moderate black value (16%) means the color's character in print comes primarily from its cyan ink content (58%), with black serving as a supporting shadow tone. 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 Indigo
CSS Variable
:root {
--brand-primary: #5B78D7;
--brand-primary-rgb: 91, 120, 215;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#5B78D7',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 58%
M: 44%
Y: 0%
K: 16%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(91, 120, 215)
rgba(91, 120, 215, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #5B78D7?
#5B78D7 is Indigo, a cool light color with RGB values of 91, 120, 215. It has a hue of 226°, 61%
saturation, and 60% lightness in the HSL color
space.
What is the RGB value of #5B78D7?
The RGB color code for #5B78D7 is rgb(91, 120, 215). This means it contains 91 red,
120 green, and 215 blue in the RGB color model.
Is Indigo a warm or cool color?
Indigo (#5B78D7) is a cool color with a hue between 120-300° on the color wheel.
How do I use #5B78D7 in CSS?
You can use #5B78D7 in CSS with:
background-color: #5B78D7; or color: #5B78D7; or as an RGB value: rgb(91, 120, 215). For print design, use CMYK: 58%, 44%, 0%, 16%.