The flag of Taiwan, also known as the Blue Sky with a White Sun and a Wholly Red Earth, has an aspect ratio of 2:3. It consists of three colors: red, blue, and white.

The flag is divided into two parts: a red field and a blue canton. The red field occupies the majority of the flag, while the blue canton is located in the upper hoist-side corner. The blue canton is a square with sides equal to half the width of the flag. Inside the blue canton, there is a white sun with 12 rays. The diameter of the sun is 2/5 the length of the blue canton, and it is centered within the canton.

Color codes:

• Red: Pantone 186 C, HEX #CB333B, RGB (203, 51, 59)
• Blue: Pantone 294 C, HEX #002868, RGB (0, 40, 104)
• White: HEX #FFFFFF, RGB (255, 255, 255)