HEX to RGB Converter
Switch a color code between HEX and RGB — free, instant.
How to Use the HEX to RGB Converter
- Input Color Code: Paste your 6-digit or 3-digit CSS HEX code, or enter RGB values.
- Convert: Click "To RGB" or "To HEX" to instantly convert between formats.
- Copy Values: Copy the formatted rgb(r, g, b) or HEX code for your CSS.
Why Use This Tool
Converting a HEX color code to RGB, or the reverse, is a routine task for anyone writing CSS or working with design specs. This web design color tool handles both directions instantly, with no need to open a full color-picker application. It removes the need to open a full design application or run a manual calculation just to translate one color value.
How It Works
This HEX-to-RGB and CSS color converter parses the hexadecimal color string into its red, green, and blue integer components using straightforward number-base conversion, all calculated client-side. It's a free, lightweight alternative to RapidTables' HEX to RGB tool for developers who just need a quick format swap.
Key Features
The converter accepts both 3-digit shorthand HEX codes (like #fff) and full 6-digit codes (like #ffffff), automatically expanding shorthand notation before converting. As a CSS color code parser, it works in both directions — paste a HEX code to get RGB, or enter RGB values to get the equivalent HEX string. A live color swatch preview shows the resulting color visually, helping confirm the conversion produced the expected shade. Both 3-digit and 6-digit HEX codes are accepted, out-of-range RGB values are clamped with a clear notice, and dedicated Copy HEX and Copy RGB buttons make grabbing either format quick.
Common Use Cases
Frontend developers convert a designer-supplied HEX code into RGB format needed for a specific CSS property or JavaScript color manipulation. Designers translate between color formats when a brand guideline specifies HEX but a design tool requires RGB input. Developers building a color picker UI verify conversion logic against this reference tool. UI engineers convert a brand HEX color into RGB format needed for a JavaScript canvas drawing function.
Tips for Best Results
Always double-check the # symbol is included or excluded consistently with what your target CSS property expects — some contexts require the hash, others assume it. When converting RGB to HEX, make sure all three values stay within the valid 0-255 range to avoid an invalid color output.
A Quick Note
Small conversion tasks like this one are exactly the kind of routine friction a always-available browser tool is meant to remove from a developer everyday workflow.
Privacy & Security
Because ToolNest processes everything entirely within your browser using client-side JavaScript, your files never leave your device. There is no server-side storage, no third-party analytics attached to your data, and no risk of a breach exposing files you processed months ago.
How do I convert a CSS Hex code to RGB values?
Paste the HEX code into the input field and click To RGB to see the equivalent red, green, and blue values.
What is the difference between RGB and RGBA color codes?
RGB defines only red, green, and blue channel values, while RGBA adds a fourth alpha channel controlling transparency.
Does the converter support 3-digit shorthand HEX codes?
Yes, shorthand codes like #fff are automatically expanded to their full 6-digit equivalent before conversion.
Can I convert RGB values back into a HEX code?
Yes, enter the RGB values in the second field and click To HEX to get the corresponding hex color code.