HEX to RGB
Conversion
Convert with explicit units, definitions and assumptions.
Formula
Each pair of hex digits represents one 8-bit colour channel.
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations use standard floating-point arithmetic; exact integer and fraction tools identify their own precision rules.
- sRGB byte values; this is not a colour-profile conversion.
Example Calculation
Example inputs
- HEX colour: #15803d
#15803d is RGB (21,128,61).
Frequently asked questions
How do I use this calculator?
Enter hex colour. The result updates automatically. Use Reset to restore the example values.
What method does it use?
Each pair of hex digits represents one 8-bit colour channel.. sRGB byte values; this is not a colour-profile conversion.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.