Check your handbook.
Your 225/40 R19 tyres appear to be non standard on earlier 500X model (2015/2016)
For 225 / 45 R18 then it is 2.4 bar front and rear for normal load and 2.6 bar front and back for full load.
For your 225/40 R19 tyres if you don't have a handbook figure then 2.5 and 2.8 bar would be my guess. Slightly higher due to the lower profile. The higher pressure will help protect the rims on big potholes.