Air Force blue is a grayish tone blue and a gray, darker, variation of cyan and azure. The blue color was chosen as a symbol of clear sky.

They look like dark azure but the United States Air Force and US Air Force Academy used the color which looks like dark blue.
| This box shows the color air force blue. |
|---|
| Sky blue |
| Aero |
| Wild Blue Yonder |
| Air Superiority Blue |
| Blue Yonder |