Depends on several things ...If it's not been washed (which is pretty much most of the time) then it's blue.If it's been washed it's either blue or turquoise depending which way the light hits it (it's a 50th anniversary model so has quite a few unnecessary extras and a couple of useful ones ... wonder if one of the extras was some sealant on the boot floor joints )Why do you ask .... (waits for incoming Discovery jokes)
Bloody long winded explanation and the answer was white!