The flag of Costa Rica has an aspect ratio of 3:5. It consists of five horizontal stripes laid out in the following order and proportions:

1. Blue (#002B7F) - occupies 1/6 of the flag's width
2. White (#FFFFFF) - occupies 1/6 of the flag's width
3. Red (#CE1126) - occupies 2/6 (or 1/3) of the flag's width
4. White (#FFFFFF) - occupies 1/6 of the flag's width
5. Blue (#002B7F) - occupies 1/6 of the flag's width

The blue and white stripes are equal in width, while the red stripe is twice as wide as the blue and white stripes.