Matt Bluish Black vs Ink Violet

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Ink Violet is a little darker, more muted, warmer than Matt Bluish Black.

Can I use Ink Violet instead of Matt Bluish Black?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Ink Violet is a little darker, more muted, warmer than Matt Bluish Black.

Can I use Matt Bluish Black instead of Ink Violet?

The same difference applies the other way round: Matt Bluish Black is a little lighter, 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.