| 80 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 137 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 124 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 317 | A New Dictionary of Kanji Usage |
| 5403 | Classic Nelson (Andrew Nelson) |
| 286 | Essential Kanji (P.G. O’Neill) |
| 284 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1486 | Japanese Names (P.G. O’Neill) |
| 2.14 | Japanese for Busy People |
| 206 | Kanji and Kana (Spahn and Hadamitzky) |
| 206 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 45 | Kanji in Context (Nishiguchi and Kono) |
| 1940 | Kodansha Compact Kanji Guide |
| 3406 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1754 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2388 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 176 | Les Kanjis dans la tete (Yves Maniette) |
| 48040 | Morohashi |
| 2740 | New Japanese English Character Dictionary (Jack Halpern) |
| 7052 | New Nelson (John Haig) |
| 174 | Remembering The Kanji (James Heisig) |
| 186 | Remembering The Kanji, 6th edition (James Heisig) |
| 204 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N4
573 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 黒煙 【コクエン】 black smoke
- 黒衣 【コクイ】 black clothes
- 大黒 【ダイコク】 god of wealth, monk's wife
- 二黒 【ジコク】 second of nine traditional astrological signs (corresponding to Saturn and southwest)
Kun reading compounds
- 黒 【くろ】 black, black stone, guilt, guilty person
- 黒い 【くろい】 black, dark, blackish, sun-tanned (skin), suspicious, criminal, illicit, darkened and dirty, sooty, covered in dirt, evil, wicked, black-hearted, inauspicious, ill-boding, unlucky
- 黒ずむ 【くろずむ】 to blacken, to darken
- 黒い 【くろい】 black, dark, blackish, sun-tanned (skin), suspicious, criminal, illicit, darkened and dirty, sooty, covered in dirt, evil, wicked, black-hearted, inauspicious, ill-boding, unlucky
- 黒色 【くろいろ】 black (colour, color)
Readings
- Korean:
- heug
Spanish
- negro
- maldad
Portuguese
- preto
French
- noir
| 3640 | 2001 Kanji |
| 4d7.2 | The Kanji Dictionary |
| 2-7-4 | SKIP code |
| 6033.1 | Four corner code |
| 1-25-85 | JIS X 0208-1997 kuten code |
| 9ed2 | Unicode hex code |
Stroke order
On reading compounds
- 鍵 【ケン】 key (on a piano, organ, etc.)
- 鍵盤 【ケンバン】 keyboard (of a piano, typewriter, etc.)
- 打鍵 【ダケン】 keystroke
- 黒鍵 【コッケン】 black key (on a piano, organ, etc.)
Kun reading compounds
- 鍵 【かぎ】 key, lock, key (to a problem, success, etc.), clue
- 鍵垢 【かぎアカ】 private account (on social media, esp. Twitter), account that can only be viewed by approved followers
- 公開鍵 【こうかいかぎ】 public key
- 暗号鍵 【あんごうかぎ】 cryptographic key, encryption key
Readings
- Korean:
- geon
Spanish
- llave
- tecla (piano
- órgano
- etc.)
Portuguese
French
| 1824 | A New Dictionary of Kanji Usage |
| 4894 | Classic Nelson (Andrew Nelson) |
| 2652 | Japanese Names (P.G. O’Neill) |
| 915 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 2203 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1565 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 40654 | Morohashi |
| 1753 | New Japanese English Character Dictionary (Jack Halpern) |
| 6317 | New Nelson (John Haig) |
| 2761 | Remembering The Kanji (James Heisig) |
| 418 | Remembering The Kanji, 6th edition (James Heisig) |
| 8a8.18 | The Kanji Dictionary |
| 1-8-9 | SKIP code |
| 1-8-8 | SKIP code |
| 8514.0 | Four corner code |
| 1-24-16 | JIS X 0208-1997 kuten code |
| 9375 | Unicode hex code |