Source Crayola® CSS3 CSS4
#517da0
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue
#435c6c
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8e9fa9
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7a5f6b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey