Baby's lips are black or appear bluish and darker can be a symptom of a serious disorder. This condition must be watched out for and should receive medical treatment immediately. In medical terms, the condition of baby's lips is black or purplish blue and looks darker can be caused by a condition called cyanosis. In white people, cyanosis is more clearly seen with a bluish or purplish color on the skin, whereas in dark people will be more pronounced in membrane areas such as the lips and gums which become darker or blackish. Cyanosis occurs when the supply of oxygen carried by blood cells to the body's tissues is too little or inadequate. Bluish or blackish lip color is caused by hemoglobin levels that are too little in blood cells that are near the surface of the skin. Hemoglobin is a molecule that allows red blood cells to carry oxygen. High oxygen levels will cause bright red hemoglobin, while low oxygen will make hemoglobin appear bluish in color. Baby's lips a