help! why do my legs look like this? Worried

Ly
The picture doesn't nearly show how bad it is due to the lighting but my legs are crazy splotchy blue, purple, red, w/whiteish spots. I've been standing doing my makeup for about 5-10 minutes until I looked down and kinda freaked. 
Is it just poor circulation? I got out of the shower like 20 minutes before this picture. Elevating my legs helped but I want to make sure I shouldn't be worried about something here. 
I'm 27 weeks.