Gothic Blue vs Dioxazine Violet

How close are they?

ΔE 18.7, loose: different enough that you should pick on purpose. Dioxazine Violet is a little darker, more saturated, warmer than Gothic Blue.

Can I use Dioxazine Violet instead of Gothic Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Dioxazine Violet is a little darker, more saturated, warmer than Gothic Blue.

Can I use Gothic Blue instead of Dioxazine Violet?

The same difference applies the other way round: Gothic 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.