325/30-19 on 11" or 12" rims?

[68454RS]

Looking at the specs it says rim suggestions of 10.5" - 12.5", Section Width on Measuring Rim Width 13.00" on 11.50"

If I run the 325's on an 11" rim would that pull the sidewalls in ever so slightly go give a touch more clearance or are 11's too small for a 325?
Looking for info, thank you