What color is Sidewall (England) ?

Source Crayola® CSS3 CSS4
#8d8985
 
#95918c
gray
#808080
grey
#808080
grey
#687c82
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#786661
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#4a4368
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue