ΔE 30.2, loose: different enough that you should pick on purpose. Magi Purple Wash is a little lighter, much more muted, cooler than Carroburg Crimson.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 30). Magi Purple Wash is a little lighter, much more muted, cooler than Carroburg Crimson.
The same difference applies the other way round: Carroburg Crimson is a little darker, much more saturated, warmer.
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 Carroburg Crimson on the colour wheel See Magi Purple Wash on the colour wheel
All matches: Carroburg Crimson equivalents · Magi Purple Wash equivalents