Source Crayola® CSS3 CSS4
#5585b8
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue
#d3cdb5
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#3d4049
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b8d5de
 
#c5d0e6
periwinkle
#add8e6
light blue
#add8e6
lightblue
#9aadbe
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey