Those sizes will work and will be pretty flush. Your tire sizes are perfect.
I'm running almost identical setup but et 35 in the fronts. Could be a little more flush, but I wouldn't buy spacers for the minimal amount they'd help.
Matte Black Grille|Painted Reflectors|35% Tint|Lux V3|Cyba 3.8 Tips|KW V1|Alufelgen SF-71 Hyper Silver|OEM M-Sport Front/Rear|COBB AP|Coded