ΔE 11.0, fair: the same colour family, but not a straight swap. Midnight Purple is a little darker, more saturated, warmer than JASDF Deep Ocean Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Midnight Purple is a little darker, more saturated, warmer than JASDF Deep Ocean Blue.
The same difference applies the other way round: JASDF Deep Ocean Blue is a little lighter, more muted, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See JASDF Deep Ocean Blue on the colour wheel See Midnight Purple on the colour wheel
All matches: JASDF Deep Ocean Blue equivalents · Midnight Purple equivalents