You certainly can do it with aerosols if you wish. But the readily available aerosols (like Krylon or Rustoleum) will have some durability issues, and you will have a hard time finding the right colors.

There are some custom can fillers which can provide "quality" auto points, in either 1 or 2 part formulations. Sourcing single cans can be somewhat expensive. And you need primer- color and clear coats for the best job. Expect $20-30 per can.

Check out apstowerpaint dot com. They are one supplier of high quality custom mixed aerosols. Lots of info there. Get your "pro" painter buddy to help you decipher the choices if you are unsure of painting systems.

Also- getting an exact match to that Cinelli color will be a little tough. But- A Mini Cooper color called "Oxygen Blue" is a real close match. It's a deep off-blue, non-metallic color. Check it out online.