What colors would you use to represent blood?

* Red: Red is the most common color used to represent blood. This is because red is the color of fresh, oxygenated blood.

* Crimson: Crimson is a deep, dark red color that is also often used to represent blood. Crimson can represent both fresh and old blood.

* Maroon: Maroon is a dark, brownish-red color that is sometimes used to represent blood. Maroon can represent old blood or dried blood.

* Black: Black is sometimes used to represent blood in a symbolic or metaphorical way. Black can represent death, mourning, or the loss of life.