Source Crayola® CSS3 CSS4
#3e4e6a
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#112d53
 
#1a4876
midnight blue
#191970
midnight blue
#191970
midnightblue
#787d8b
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey