I'd say you are fine. I've got less than that on mine and they have never rubbed.
One thing you should do is jack up the front end and spin the tire by hand. As you do that, watch the clearance gap. You might find you have one spot on the tire that's closer than the rest - just make sure it clears all the way around.
One thing you should do is jack up the front end and spin the tire by hand. As you do that, watch the clearance gap. You might find you have one spot on the tire that's closer than the rest - just make sure it clears all the way around.