(as) black as (one's) hat

dated Completely black; totally without light or color. The basement gives me the creeps, it's as black as my hat down there!

Name	Pronounced	Usage
Circe	SUR-see (English)	Greek Mythology (Latinized)
Brennus	BREN-əs (English)	Ancient Celtic (Latinized)
'Ali	‘ah-LEE:	Arabic
Lori	[lɔri]
Nes	NES	Dutch, Limburgish
Nahal	NAH-khahl	Hebrew