Search gender: all male female Rugen Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: rugen Katakana: ルゲン 0 Kanji: 琉玄 Meaning: 琉Ruri(lapis lazuli). Name of a gemstone. A deep blue to indigo-colored gemstone. One of the seven treasures. 玄Black color. Black with a reddish tinge. Dark. The color of heaven. Deep. Distant. Far away. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Rugen Boy Name Meaning, Kanji Variations.