Crawling Up Blanket, Help!

This bug was crawling on my blanket on my couch and freaked me out! I live on the top floor of an apartment with outdoor access, but I rarely see bugs probably because I’m not on the ground floor. At first I thought it was a spider but it kinda looks like an ant? I’m sorry the picture isn’t better. I shook it off my blanket and then vacuumed everywhere. I’m in central Alabama.