Woman and man holding hands: medium skin tone, dark skin tone emoji π©π½βπ€βπ¨πΏ is part of the People & Body and Family emojis. On some systems it can be accessed by using :woman_and_man_holding_hands_tone3-5:, :couple_tone3-5:, :woman_and_man_holding_hands_tone3_tone5: or :woman_and_man_holding_hands_medium_skin_tone_dark_skin_tone: shortcodes.
It was approved as part of Unicode in 2019 so it should be displayed properly on all devices.