U+C544 "아" Hangul Syllable A Unicode Character
Unicode Version 17.0
아
U+C544 "아" Hangul Syllable A is a fundamental and highly frequent vowel syllable in the Korean writing system known as Hangul. It is composed of the initial consonant placeholder ㅇ (ieung) and the vowel ㅏ (a), and its phonetic value in standard Korean is the open back unrounded vowel /a/. This character appears in numerous essential Korean words, including 아이 (ai, meaning child), 아기 (agi, meaning baby), and 아버지 (abeoji, meaning father), and it is often used as a standalone exclamation or interjection in speech. As a core building block of the Korean language, the syllable 아 is one of the first characters learned by students of Korean and represents the simplest vowel sound in the alphabet.
General Properties
| Code Point | U+C544 |
| Version Added | 2.0 |
| Name | Hangul Syllable A |
| Block | Hangul Syllables |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "ᄋ" U+110B Hangul Choseong Ieung "ᅡ" U+1161 Hangul Jungseong A |
Encodings
| HTML Decimal Encoding | 아 |
| HTML Hex Encoding | 아 |
| UTF-8 Encoding | 0xEC 0x95 0x84 |
| UTF-16 Encoding | 0xC544 |
| UTF-32 Encoding | 0x0000C544 |
| C/C++/Java Escape | \uc544 |