(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
Varius	-	Ancient Roman
Fabienne	-	French
Wibawa	wee-BAH-wah	Indonesian
Jerneja	-	Slovene
Stana	-	Czech, Serbian, Croatian
Lotta	LOT-tah (Finnish)	Swedish, Finnish