ΔE 14.7, fair: the same colour family, but not a straight swap. Squid Pink is a little lighter, warmer than Deep Violet.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Squid Pink is a little lighter, warmer than Deep Violet.
The same difference applies the other way round: Deep Violet is a little darker, 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 Deep Violet on the colour wheel See Squid Pink on the colour wheel
All matches: Deep Violet equivalents · Squid Pink equivalents