The flag of Tajikistan has an aspect ratio of 1:2. It consists of three horizontal stripes with the following color codes and proportions:

1. Upper stripe - Red (#D90000), occupying 2/5 of the flag's width.
2. Middle stripe - White (#FFFFFF), occupying 1/5 of the flag's width.
3. Lower stripe - Green (#009E49), occupying 2/5 of the flag's width.

In the center of the white stripe, there is a golden crown (stylized) with an arc of seven stars above it. The crown and stars are not geometrically defined in terms of measurements or proportions.