Deep Cobalt Blue vs Alaitoc Blue

How close are they?

ΔE 12.2, fair: the same colour family, but not a straight swap. Alaitoc Blue is noticeably darker, cooler than Deep Cobalt Blue.

Can I use Alaitoc Blue instead of Deep Cobalt Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Alaitoc Blue is noticeably darker, cooler than Deep Cobalt Blue.

Can I use Deep Cobalt Blue instead of Alaitoc Blue?

The same difference applies the other way round: Deep Cobalt Blue is noticeably lighter, 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.