What color is Business Card, Coop Himmelbau Wien ?

Source Crayola® CSS3 CSS4
#524b71
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#9698a0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey