Skipjacks

Last night I notice that my rear wheel is about a quarter inch offset from being inline with the center of the bike. I checked the QR skewer and it's seated properly in the frame. But the center of the wheel is not in line with the center of the bike.

I never noticed this before.

The wheel is true. It spins perfectly round. No wobble at all. It's not crooked in the frame. It's in a straight line with the frame. It's just not centered on the frame.

Is this normal?

Or could the wheel be perfectly out of lateral true so it's a quarter inch offset from the center of the bike?

This is not a super high end bike if that makes a difference. It's a Specialized Crosstrail. Not junk but not fancy either. It rides perfectly fine. It just looked weird when I noticed it and I'm wondering if this is normal.