0002059654 2026-06-09 2026-06-09 0002059654 BACC:UnitsEachConsistingOfOneClassOrdinaryShareAndOneRightMember 2026-06-09 2026-06-09 0002059654 BACC:ClassOrdinarySharesParValue0.0001PerShareMember 2026-06-09 2026-06-09 0002059654 BACC:RightsEachRightEntitlingHolderToReceiveOnetenth110OfOneClassOrdinaryShareUponConsummationofInitialBusinessCombinationMember 2026-06-09 2026-06-09 false 0002059654 Blue Acquisition Corp/Cayman 8-K 2026-06-09 E9 001-42699 98-1855000 1601 Anita Lane Newport Beach CA 92660-4803 646 543-5060 false false false false Units, each consisting of one Class A ordinary share and one right BACCU NASDAQ Class A ordinary shares, par value $0.0001 per share BACC NASDAQ Rights, each right entitling the holder to receive one-tenth (1/10) of one Class A ordinary share upon the consummation BACCR NASDAQ true false