ΔE 7.7, close: similar, with a visible difference side by side. Lapislazuli is more muted than Kantor Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Lapislazuli is more muted than Kantor Blue.
The same difference applies the other way round: Kantor Blue is more saturated.
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 Kantor Blue on the colour wheel See Lapislazuli on the colour wheel
All matches: Kantor Blue equivalents · Lapislazuli equivalents