Arhopala abseus males have dark blue-violet upperwings with dark forewing edges extending towards the crest, females are glowing blue with wider margins. The underside of the wing is reddish brown with blackish brown or silver markings. On the hind wings there is a short white-tipped tail at the tips of vein 1b and 3, and a slightly long white-tipped tail on vein 2.
Larva: Arhopala abseus larvae are yellowish green with dorsal and dorso-lateral bands, have two small white patches embedded posteriorly and one spot on the anterior edge.
Pupa: Arhopala abseus pupa has a distinctive lycaenid shape, creamy white with small reddish brown slits, smooth surface.