Pastel Blue Coffin Nails Ideas for Pastel Blue Coffin Nails. These are our Color selection for the very best in unique or custom nails. Related designs:Light Blue Sky Blue NailsPastel Grunge NailsLight Blue Summer NailsBlue Matcha NailsLight Blue Sparkly NailsBlue Ombre NailsPastel Gel NailsPastel Nails Bergenfield