Blood

Deep, rich, nearly black: the color of a vein just under the skin.

#770001

Blood is a deep maroon.

It can be described as deep, rich, dark and dim.

Set in white, because white reads best on it.

Blood

Blood is a specialized form of connective tissue and body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells of the body, and transports metabolic waste products away from those same cells.

Read on Wikipedia