翅膀表面底色為黑色，藍色寬條紋貫穿前後翅，愈往翅根，顏色愈深。前翅外緣與尾端散布白斑，與內側形成對比。
A butterfly with the upper side of the wings of a black background and a broad blue stripe running across both the forewings and hindwings. The blue deepens toward the base of the wings. White spots are scattered on the edges and tips of the forewings, contrasting with the inner side.