Source Crayola® CSS3 CSS4
#433b92
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#3e3b5a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9c9cb7
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#66638a
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey