"The Mobil logo was designed in 1965 by Chermayeff & Geismar.

"The colours are red (Pantone 485) and blue (Pantone 293). Additional colours are grey (Pantone 431) and silver (Pantone 877).

"Mobil uses the typeface Helvetica and its proprietary typeface Mobil Alphabet, designed by Chermayeff & Geismar."

Sources:
http://hansstol.totaldesign.nl/en/mobil.html
http://brandng.blogspot.com/2014/02/throwback-thursday-mobil.html