Source Crayola® CSS3 CSS4
#738fa5
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#bfd4d0
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#636b65
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#9bb9ca
 
#a2add0
wild blue yonder
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#5876a5
 
#5d76cb
indigo
#4682b4
steel blue
#4682b4
steelblue