Black is a staple in my closet. Not sure I completely agree. "Black is modest and arrogant at the same time. Black is lazy and easy -but mysterious. But above all black says this: "I don't bother you - don't bother me.
Dior had a lot of black is his designs for the new look. Before Dior, black represented more of a serious and boring color but he turned it into a strong modern color for women. He made Black such a fashionable color post WWII.