What color is Button (England) ?

Source Crayola® CSS3 CSS4
#4f5fc4
 
#5d76cb
indigo
#6a5acd
slate blue
#6a5acd
slateblue
#a5aac7
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#828eca
 
#6699cc
blue gray
#9370d8
medium purple
#9370db
mediumpurple
#bbbfc7
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver