ΔE 23.8, loose: different enough that you should pick on purpose. Leviathan Blue is a little darker, cooler than Kroxigor Scales.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Leviathan Blue is a little darker, cooler than Kroxigor Scales.
The same difference applies the other way round: Kroxigor Scales 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 Kroxigor Scales on the colour wheel See Leviathan Blue on the colour wheel
All matches: Kroxigor Scales equivalents · Leviathan Blue equivalents