I recently acquired a 2nd-hand Rickenbacker 375 (not easy to purchase brand new Ricks in Spain, but I'm the proud owner of a 1997 fg, 660 fg, 260 El dorado fg, 620 Blue Boy and this one

) coloured in a sort of metalized-blue.
Which is the official name for that colour? I think it's not "azzureglo" (I assume that is same thing as fireglo, going from red to almost yellow), but I'm not sure if the name is "midnight blue".
Thanks in advance!
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1997 fireglo
620 blueboy
660 fireglo
260 El Dorado Fireglo
375 Midnight blue
(and plenty of another assorted FENDER, GIBSON, GRETSCH and PEAVEY american electric guitars

. And an Acoustic Japanese Takamine, certainly)