ΔE 6.8, close: similar, with a visible difference side by side. Carmine Red is a little lighter than Carmine Blades.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Carmine Red is a little lighter than Carmine Blades.
The same difference applies the other way round: Carmine Blades is a little darker.
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 Carmine Blades on the colour wheel See Carmine Red on the colour wheel
All matches: Carmine Blades equivalents · Carmine Red equivalents