The flag of Costa Rica consists of five horizontal stripes of equal width. The top and bottom stripes are blue, the two middle stripes are white, and the center stripe is red. The ratio of the flag's width to its length is 3:5. The color codes for the flag in RGB format are:

Blue: #0072c6 White: #ffffff Red: #d90012

There are no geometric properties or measurements specified for the flag itself.