RGB to HEX Converter
RGB to HEX Converter: free, instant and private. FF is 255 and 00 is 0, so #000000 is black and #FFFFFF is white.
How the RGB to HEX Converter works
The RGB to HEX Converter takes HEX color (e.g. #3b82f6), R (0–255), G (0–255), B (0–255) and returns the answer instantly — no button to hunt for, no page reload. FF is 255 and 00 is 0, so #000000 is black and #FFFFFF is white. Enter a full six-digit hex code — the three-digit shorthand is expanded before converting.
Enter your own numbers to replace the example values; the result panel updates as you type. Everything runs in this single page, so nothing you enter leaves your device.
Formula used
HEX uses base-16 pairs; each channel is 0–255
| Symbol | Meaning |
|---|---|
| hex | six hex digits, e.g. #3b82f6 |
| r, g, b | red, green and blue channel values |
FF is 255 and 00 is 0, so #000000 is black and #FFFFFF is white. Enter a full six-digit hex code — the three-digit shorthand is expanded before converting.
Inputs used: HEX color (e.g. #3b82f6), R (0–255), G (0–255), B (0–255).
Worked example
Take the default example — hex color (e.g. #3b82f6) of #3b82f6, r (0–255) of 59, g (0–255) of 130, b (0–255) of 246:
- HEX: #3b82f6
- R: 59
- G: 130
- B: 246
Frequently asked questions
- What formula does the RGB to HEX Converter use?
- It uses HEX uses base-16 pairs; each channel is 0–255, where hex is the six hex digits, e.g. #3b82f6; r, g, b is the red, green and blue channel values.
- Is the RGB to HEX Converter free?
- Yes. There is no signup, no usage limit and no watermark — the converter runs entirely in your browser.
- How do I read the result?
- FF is 255 and 00 is 0, so #000000 is black and #FFFFFF is white. Enter a full six-digit hex code — the three-digit shorthand is expanded before converting.
- Does the RGB to HEX Converter store or send my data?
- No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
- Does it work on a phone and offline?
- Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.