Source Crayola® CSS3 CSS4
#878aa1
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#27338f
 
#1a4876
midnight blue
#483d8b
dark slate blue
#483d8b
darkslateblue
#5c5f8d
 
#58427c
cyber grape
#708090
slate gray
#708090
slategrey