The flag of France, also known as the "Tricolour," consists of three equal vertical stripes of blue, white, and red. Each stripe measures one-third of the flag's total width.

The colors of the French flag have the following hex codes:

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

The aspect ratio of the flag is 2:3, meaning its height is two-thirds of its width.

The geometric properties of the flag can be described as a rectangular shape with straight sides and right angles.

The official dimensions of the flag are not specified in law, but it is generally flown in sizes ranging from 30 cm x 20 cm to 10 m x 6 m.