Search gender: all male female アカイ Japanese Boy Names Variations. 1 names found. gender: all male female Name: akai Katakana: アカイ 11 Kanji: 紅 Meaning: 紅Red color. Bright red color. The color of safflower. Pigment made from safflower. A word that refers to women. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > アカイ Japanese Boy Names Variations.