That is why retayne is suggested for possible runny color. However, this dye company has information on their website when to use retayne and synthrapol plus a warning about the new washing machines:
http://www.prochemicalanddye.com/home.php?cat=323. Also, color catchers or carbona color catcher may help with fabrics that bleed. I always put several color catchers in with my laundry, especially with new items.
Sorry to hear about your washing machine stain.