Just in case you didnt know, the actual colour code for Royal blue is "LA5U" Helios blue is "LA5Y" This is how the code would appear on the paper Vin No stuck inside the rear panel/bootfloor of your VW Its possible that the dealers computer drops the "L" because it probably stands for "lacker" meaning paint, and does'nt need it for a reference, leaveing the last 3 digits.. these "L" codes go way, way back to VWs distant past!
Tom