ΔE 9.4, close: similar, with a visible difference side by side. Deep Azure is more saturated, cooler than Aggressor Blue FS 35109.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Deep Azure is more saturated, cooler than Aggressor Blue FS 35109.
The same difference applies the other way round: Aggressor Blue FS 35109 is more muted, 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 Aggressor Blue FS 35109 on the colour wheel See Deep Azure on the colour wheel
All matches: Aggressor Blue FS 35109 equivalents · Deep Azure equivalents