The flag of the French Southern and Antarctic Lands features a white field with the French tricolor (blue, white, and red) in the canton and the territorial coat of arms centered on the right side. The coat of arms consists of five elements representing the five districts of the territory.

Color codes:

• Blue: #0055A4
• White: #FFFFFF
• Red: #EF4135

Aspect ratio: 2:3

Geometric properties and measurements:

1. The flag has three vertical stripes: blue, white, and red, each occupying one-third of the flag's width.
2. The French tricolor is placed in the canton and occupies 1/9 of the flag's width and 1/6 of its height.
3. The coat of arms is centered on the right side of the flag, within the white field, and is approximately 1/3 of the flag's height.

Other relevant information: The flag was adopted on February 7, 2007.