ΔE 31.0, loose: different enough that you should pick on purpose. Ink Dark Turquoise is a little darker, much more muted, warmer than Prussian Blue Hue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 31). Ink Dark Turquoise is a little darker, much more muted, warmer than Prussian Blue Hue.
The same difference applies the other way round: Prussian Blue Hue is a little lighter, much more saturated, 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 Prussian Blue Hue on the colour wheel See Ink Dark Turquoise on the colour wheel
All matches: Prussian Blue Hue equivalents · Ink Dark Turquoise equivalents