Source Crayola® CSS3 CSS4
#2f315a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#626997
 
#7851a9
royal purple
#708090
slate gray
#708090
slategrey
#868fae
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey