Livor mois (Latin: livor--"bluish color," mois--"of death"), Postmoem lividity (Latin: postmoem--"after death", lividity--"black and blue"), hypostasis (Greek: hypo, meaning "under, beneath"; stasis, meaning "a standing") or suggillation, is the fouh stage and one of the signs of death. It is a settling of the blood in the lower (dependent) poion of the body postmoem, causing a purplish red discoloration of the skin. When the hea stops functioning and is no longer agitating the blood, heavy red blood cells sink through the serum by an action of gravity. Ref - Krishnan Vij 5th edition pg 82