according to Section 40.1.1.2 Color of MIL-STD-2161A (AS), the colors of this insignia are established as FED-STD-595 red 11136 white 17925 blue 15044. The visualization of the colors comes from http://www.colorserver.net/showcolor.asp?fs=11136+17925+)
Elliot, John M. (1989) The Official Monogram US Navy & Marine Corps Aircraft Color Guide Vol 2 1940-1949, Sturbridge, MA: Monogram Aviation Publications ISBN: 0-914144-32-4.
This image is in the public domain in the United States because it contains materials that originally came from a United States Armed Forces badge or logo. As a work of the U.S. federal government, the image is in the public domain in the United States.