RGB to Hex Converter

RGB (Red, Green, Blue) and hexadecimal (#RRGGBB) are two ways of expressing digital colours. RGB uses three components 0–255

The calculator uses the standard published formula for rgb hex. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Hex #RRGGBB: each pair is a two-digit hexadecimal number (00–FF = 0–255). Each step in the calculation is shown so you can verify the result manually.