Source Crayola® CSS3 CSS4
#9397c5
 
#a2a2d0
blue bell
#a9a9a9
dark gray
#a9a9a9
darkgrey
#3b3a46
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#717298
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#5b566d
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey