ΔE 8.6, close: similar, with a visible difference side by side. Craventhrone Cloak is a little darker, cooler than Navy Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Craventhrone Cloak is a little darker, cooler than Navy Blue.
The same difference applies the other way round: Navy Blue is a little 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.
See Navy Blue on the colour wheel See Craventhrone Cloak on the colour wheel
All matches: Navy Blue equivalents · Craventhrone Cloak equivalents