Border-radius generator
Generate CSS rounded corner values.
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Tool guide
Border-radius generator: how it works
Practical information to understand the result and use this tool correctly.
About Border-radius generator
Generate CSS rounded corner values.
The tool runs directly in the browser for immediate results.
How to use it
- 1Enter a HEX color (e.g. #2563eb) or the values the tool asks for.
- 2Review the conversion, contrast, mix, or CSS snippet on the same page.
- 3Copy the value or snippet into your design or stylesheet.
Frequently asked questions
- What color format should I use?
- Most tools expect a 6-digit HEX. Many also show RGB or HSL in the result.
- Do I need an account?
- No. You can use the tool immediately without signing up.