Removing paint from cloths is pretty tough. You can try this method for latex wall paint. Spray the paint spots with hairspray containing rubbing alcohol. Rub spots with another cloth or with your fingers. Do this until the paint begins to loosen. When it is loose wash as normal. Look here for more information: http://www.wikihow.com/Remove-Latex-Paint-from-Clothes
To remove a water-based paint from clothing, soak the stained area in rubbing alcohol. Use a butter knife to scrap the excess paint off the clothing. Use a small amount of Dawn dish liquid to scrub the remaining paint stain.