The flag of the Northern Mariana Islands has an aspect ratio of 2:3. It features a blue background (Pantone 286 C) with a white star in the center, surrounded by a gray latte stone (Pantone 430 C) and a decorative wreath. The blue color code is #0033A0, while the gray color code is #8C8C8C.

The white star has five points, each point measuring 72 degrees. The star's diameter is 1/4th of the flag's width. The latte stone is centered behind the star, with its height being 1/3rd of the flag's height. The wreath consists of two sets of six leaves on either side of the latte stone, with each leaf having a length of 1/12th of the flag's width.