Deep Ocean Blue vs Blue Black

How close are they?

ΔE 3.8, very close: most people won’t see a difference side by side. Blue Black is a little darker, warmer than Deep Ocean Blue.

Can I use Blue Black instead of Deep Ocean Blue?

Yes, for most jobs. Very close match (ΔE 4). Blue Black is a little darker, warmer than Deep Ocean Blue.

Can I use Deep Ocean Blue instead of Blue Black?

The same difference applies the other way round: Deep Ocean Blue is a little lighter, 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.