(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
Roman	rah-MAHN (Russian), RAW-mahn (Polish)	Russian, Polish, Czech, Slovak, Ukrainian, Slovene, Croatian, German
Harith	-	Arabic
Ljuben	-	Macedonian
Topher	TO-fər	English
Cadwgan	kah-DO-gahn	Welsh
Bohdan	boh-DAHN (Ukrainian)	Czech, Ukrainian