Source Crayola® CSS3 CSS4
#5e8091
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#83a2ad
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#3e6076
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue
#273d4f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b0c7cb
 
#b0b7c6
cadet blue
#b0c4de
light steel blue
#b0c4de
lightsteelblue