HEX Color Formatter
Format, validate, and fix HEX color codes. Convert 3-digit to 6-digit format, validate syntax, and process multiple colors at once.
Single HEX Color Formatter
Enter a HEX color code to validate and format it properly
Valid HEX Color
Original: #FF5733
#FF5733
HEX Color Format Guide
Valid HEX Formats
#FF5733- 6-digit format#F73- 3-digit formatFF5733- Without # symbolF73- Short without #
Formatting Rules
- • 3-digit codes are expanded to 6-digit
- • Letters are converted to uppercase
- • # symbol is added if missing
- • Only 0-9 and A-F characters allowed
Common Errors
- • Invalid characters (G-Z)
- • Wrong length (not 3 or 6 digits)
- • Empty or whitespace-only input
- • Mixed case inconsistency
Bulk Processing
- • One color per line
- • Mixed formats supported
- • Export valid results as CSV
- • Real-time validation feedback