The 125g chocolate bar packaging for "Chocolats Lejeune" features a modern, elegant graphic design, reflecting the refined, high-end, artisanal quality of the product. Each of the four variants — Noir d'Encre, Magie Noire, Humour Noir, and Nuit Noire — presents a distinctive black texture that evokes the name and emotion of the chocolate.

Dominated by black and white, the design highlights the dark chocolate theme while offering a minimalist, sophisticated aesthetic. A circular cutout in the center reveals the aluminum foil wrapping, which preserves the chocolate's freshness, further enhancing the product's premium, luxurious feel.