Free HEX, RGB & HSL Color Converter that works offline
Translate common CSS color notations and see a visual preview immediately. The converter normalizes short HEX values and calculates hue, saturation and lightness from RGB channels.
What this hex, rgb & hsl color converter does
HEX and RGB express the same red, green and blue channels in different notation. HSL derives a cylindrical representation that can be easier to adjust for interface themes, while conversion rounding may change values slightly on a round trip.
How to use the HEX, RGB & HSL Color Converter
- Enter or paste a three- or six-digit HEX color or an RGB function value into the tool.
- Adjust the available options so they match the format and result you need.
- Choose Convert color and review normalized HEX, RGB and HSL values with a preview before using it.
- Copy or download the result, then clear the page if the input was sensitive.
Common uses
- Converting design tokens
- Preparing CSS variables
- Understanding HSL adjustments
- Checking colors copied from design software
Private processing and offline access
This tool does not submit your input to a conversion server. Processing takes place inside the browser using local JavaScript and standard Web APIs. After the PWA has been installed or cached, the page and its core features remain available without an internet connection. Closing or clearing the page removes unsaved input; the tool does not create an account or cloud history.
Tips for accurate results
- Use a contrast checker before placing text on the color.
- Three-digit HEX doubles each digit.
- Alpha transparency requires RGBA or eight-digit HEX handling outside this converter.
Frequently asked questions
Does this tool upload my data?
No. HEX, RGB & HSL Color Converter processes its input in the current browser and does not submit it to a conversion API.
What input does the HEX, RGB & HSL Color Converter accept?
HEX values such as #fff and #6557e8 and RGB values such as rgb(101, 87, 232) are recognized. Alpha is not included in the output.
Can I use this tool offline?
Yes. Once the Offline Tools PWA has cached the page, the core feature works without an internet connection.