Indigo may refer to any of the following:

  1. Indigo was once a printer manufacturer that was acquired by Hewlett Packard.

  2. A dark color between blue and violet. With HTML indigo is represented as the HTML color code #4B0082, which is hexadecimal for 75 red, 0 green, and 130 blue.

Color terms, Printer terms

  • #4B0082 or indigo color code and similar colors.