Source Crayola® CSS3 CSS4
#637db8
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue
#ccdde9
 
#c5d0e6
periwinkle
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#53628f
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue
#7ea1ce
 
#6699cc
blue gray
#6495ed
cornflower blue
#6495ed
cornflowerblue
#322f36
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey