Kinda late, but I was looking for one and found this:
www amazon com/Engine-Switch-Button-Giulia-Stelvio/dp/B07KLX7ZRH
Can't post links yet so add the periods in.
Seems like you can just get a red one and paint it blue though. :P
2018 Alfa Romeo Giulia Montecarlo Blue TI Sport
2014 Scion FR-S Raven Black Monogram