A cubic liquid crystal composition comprising at least one amphiphilic compound having the following general formula (1) and having an IV/OV value of 0.65 to 0.95, and water or an aqueous medium: wherein R represents a hydrophilic group; X and Y each independently represent a hydrogen atom or together form an oxygen atom; n is an integer of 0 to 4; and m is an integer of 0 to 3.