My tire of choice at the moment is the 235/85/16.
Been on my '45 (cooper st maxx) for a year or so and I have set going on my camper van (falken AT3/w) tomorrow.
It works out to a 32ish x 9.5ish size. Both trucks have about 2" of lift.
I think a larger variety of the 255/85/16 would be close to...