The flag of Rwanda has an aspect ratio of 2:3 with three horizontal stripes and a sun in the upper right corner. The dimensions can be described as follows:

1. Upper stripe (blue): occupies half of the flag's width, color code: #2069E0
2. Middle stripe (yellow): occupies one-quarter of the flag's width, color code: #FDDA24
3. Bottom stripe (green): also occupies one-quarter of the flag's width, color code: #496C67

The sun in the top-right corner has 24 rays extending outwards from a central circle. It has an overall diameter equivalent to 30% of the flag's width. The sun is yellow (color code: #FDDA24) and placed against the blue stripe, positioned at a distance of 15% of the flag's width from both the top and right edges.