Convert RGB to HEX, HSL & CSS
Enter red, green, and blue values to instantly get the HEX, HSL, and CSS equivalents.
Design software and color pickers often hand you RGB values, but HEX is what most stylesheets and style guides expect. Converting between them by hand means juggling base-16 math you shouldn’t have to.
Enter your R, G, and B channels and this tool returns the matching HEX code, HSL values, and CSS syntax, all ready to copy.
How to use the RGB to HEX Converter
- Enter RGB values. Set the red, green, and blue channels, each from 0 to 255.
- Get the HEX code. The matching HEX value appears instantly, alongside HSL and CSS.
- Copy and paste. Copy the format you need straight into your stylesheet or design file.
Practical examples
From a screenshot Pick RGB from any image editor and convert it to a HEX code for your CSS.
Brand guidelines Translate RGB brand values into the HEX codes most teams document.
Quick sanity check Verify that an RGB value matches the HEX you expect.
Why the RGB to HEX Converter matters
- HEX is the most widely documented color format in brand guides and design systems.
- Converting RGB to HEX keeps your codebase consistent with the rest of the web.
- Seeing HSL at the same time helps you understand and adjust the color, not just copy it.
Frequently asked questions
What range do RGB values use?
Each of the red, green, and blue channels runs from 0 to 255, giving roughly 16.7 million possible colors.
Will the HEX code be exact?
Yes. RGB and HEX both describe 8-bit-per-channel color, so the conversion between them is exact with no rounding loss.
Can I convert back from HEX to RGB?
Absolutely — use the HEX to RGB Converter for the reverse direction.