Navy Blue vs Steel Grey

How close are they?

ΔE 4.6, very close: most people won’t see a difference side by side. Steel Grey is more muted, warmer than Navy Blue.

Can I use Steel Grey instead of Navy Blue?

Yes, for most jobs. Very close match (ΔE 5). Steel Grey is more muted, warmer than Navy Blue.

Can I use Navy Blue instead of Steel Grey?

The same difference applies the other way round: Navy Blue is 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.