What ᚳ means
ᚳ is the runic letter cen. Unicode classifies it as a letter and files it in the Runic block; this site shelves it under Beliefs & culture.
Its appearance depends on the font and text styling.
How it is encoded
ᚳ is a single code point, U+16B3. In HTML that is ᚳ, and in CSS \16B3.
Don't confuse it with
4Questions people ask
1Why does ᚳ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type ᚳ
Windows (Word)
Alt+XType 16B3, then Alt+X to get ᚳ.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “runic letter cen”.
Linux
Ctrl+Shift+UType 16b3, then Enter or Space.
HTML
ᚳCSS
\16B3Codes and encoding1 code points
HTML decimal
ᚳ
HTML hex
ᚳ
CSS content
content: "\16B3";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E1%9A%B3
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.