⬛
HEX: 0x2b1b
DEC: 11035
Unicode emoji data:
2B1B..2B1C: Emoji # E0.6 [2] (⬛..⬜) black large square..white large square
2B1B..2B1C: Emoji_Presentation # E0.6 [2] (⬛..⬜) black large square..white large square
2B1B..2B1C: Extended_Pictographic# E0.6 [2] (⬛..⬜) black large square..white large square