I have a question about my "sunburnt" legs?

On june 8th, my legs got sunburnt really bad when I went on a rafting trip. It's July 1st today, and my legs don't hurt anymore, but they're real discolored. like, they're redish purple, and they've been like that for ahwille. that has never happened to me before, so i don't know what to do. Do u?