Design & UI
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Instant Result
HEX to RGB Converter
Convert hexadecimal color codes (3, 6, or 8 digits) to RGB and RGBA with opacity slider.
Initializing HEX to RGB Converter...
How to Use the HEX to RGB Converter
1. Enter a HEX code (e.g. #3b82f6).
2. Adjust Alpha slider if desired.
3. Copy resulting rgb() and rgba() CSS strings.
2. Adjust Alpha slider if desired.
3. Copy resulting rgb() and rgba() CSS strings.
Algorithm & Formula Details
R = parseInt(hex.substr(0,2),16), G = parseInt(hex.substr(2,2),16), B = parseInt(hex.substr(4,2),16).
All mathematical calculations, text transformations, and cryptographic hashes are executed strictly in memory inside your browser using modern Web APIs.
Frequently Asked Questions
Yes, shorthand like #fff is automatically expanded to #ffffff.