Natasha Denona Navy (01V) is a neutral blue with a matte finish that is permanent in palette and retails for $29.00. In comparison, NARS L'Amour, Toujours L'Amour #10 is a cool blue with a matte finish that is discontinued and retails for $25.00.
NARS L'Amour, Toujours L'Amour #10 is 90% similar — it is lighter.