NARS L'Amour, Toujours L'Amour #10 is a cool blue with a matte finish that is discontinued and retails for $25.00. In comparison, Make Up For Ever M226 Abyssal Blue is a cool blue with a matte finish that is permanent and retails for $17.00.
Make Up For Ever M226 Abyssal Blue is 85% similar — it is lighter.