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Color Converter — Free Online Tool
Design tools hand you HEX codes, CSS sometimes wants rgb() values, and graphic apps use their own formats. This colour converter bridges the first two instantly. Use the large colour picker or type a six-digit HEX code such as #22d3ee and the matching rgb(34, 211, 238) string appears underneath, ready to paste into a stylesheet, a design token file or a React component. HEX stores the red, green and blue channels as three two-digit hexadecimal numbers from 00 to FF, while RGB writes the same channels as decimals from 0 to 255, so the conversion is exact with no rounding. Front-end developers use it when a brand guideline lists only HEX but a canvas or animation library needs RGB, designers use it to check shades, and students use it to learn how screens mix light. The tool currently shows HEX and RGB, which are the two formats used most in CSS, and it accepts codes with or without the leading hash. Short three-digit shortcuts like #fff should be expanded to six digits first. Colour appearance can vary between monitors, so always check a final shade on a real device. It runs in your browser, requires no sign-up and stores nothing.
Use our Color Converter on AllConvertor — no registration, no download, works on iPhone, Android, Windows, and Mac. All processing runs in your browser when possible for maximum privacy and speed.
How to use Color Converter
- Click the colour box to pick a colour, or type a HEX code.
- Read the matching RGB value in the field below the HEX code.
- Copy the HEX or RGB string into your CSS or design tool.
- Adjust the colour until it matches your design.
Key benefits
- ✓ 100% free — no paywall or trial limits
- ✓ No account or email required
- ✓ Mobile-friendly responsive design
- ✓ Instant results in your browser
- ✓ Secure — data stays on your device
- ✓ Trusted by thousands of users daily
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Frequently Asked Questions
How do I convert HEX to RGB?
Split the six-digit HEX code into three pairs and convert each from hexadecimal to decimal. #22d3ee becomes 22→34, d3→211 and ee→238, giving rgb(34, 211, 238). The tool does this automatically.
Which colour formats does this tool support?
It converts between a HEX code and its RGB value. Use the picker or type a six-digit HEX code to see the result.
Do I need to type the # symbol?
No. The tool accepts HEX codes with or without the leading #.
Does it support three-digit HEX codes like #fff?
Please expand them to six digits first. For example, #fff becomes #ffffff.
Why does my colour look different on another screen?
Monitors and phones have different colour calibration and brightness, so the same code can look slightly different. Check important shades on your target devices.