Source Crayola® CSS3 CSS4
#4e4c72
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#2e294d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#706f96
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey