Source Crayola® CSS3 CSS4
#2c334d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#24292f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#48536c
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue
#747e95
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#c8cbd3
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey