RGB to HEX Color Converter
Free RGB to HEX color converter. Convert RGB color codes to HEX instantly with live preview, ready to copy into CSS, Figma or Photoshop.
RGB to HEX Color Converter
Our free RGB to HEX converter turns any RGB colour value into the matching HEX code instantly. For example, rgb(255, 87, 51) in RGB is #FF5733 in HEX. Paste your colour, click convert and copy the result straight into your CSS or design tool.
RGB and HEX colour formats explained
RGB (rgb(r, g, b)) describes a colour by mixing red, green and blue light, each from 0 to 255, for example rgb(255, 87, 51).
HEX (#RRGGBB) a six-digit hexadecimal code such as #FF5733, the most common way to write colours in HTML and CSS.
Both formats can describe the same colour on screen — they are just different ways of writing it. Different tools and code libraries prefer different formats, which is why converting is so useful.
How to use the RGB to HEX converter
- Enter your RGB colour value.
- Click convert.
- Copy the HEX result.
- Paste it into your stylesheet, theme settings or design software.
Common use cases
- Matching brand colours across CSS, Figma, Canva and Photoshop
- Using HEX values required by a framework or library
- Creating transparent or lighter/darker variants of a colour
- Customising WordPress, Shopify and Elementor themes
Frequently asked questions
Is converting RGB to HEX exact?
The colour stays the same; small rounding differences can appear because some formats use whole numbers or percentages.
Which colour format is best for CSS?
All of them work in modern browsers. HEX is shortest, RGBA/HSLA add transparency, and HSL is easiest for adjusting shades.
Can I pick a colour visually?
Yes, use our Color Picker to choose a colour and get all its codes.
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