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How to use CSS Hex to RGBA Converter

Enter a hex color and adjust the alpha slider, and the tool converts it to the matching rgba() value live.

Frequently asked questions

How do I convert hex to rgba?

Split the hex into red, green and blue byte pairs, convert each to decimal, then append your alpha value.

Does it support shorthand hex like #fff?

Yes, 3-digit shorthand and 8-digit hex with alpha are both accepted and normalized.

What alpha range is valid?

Alpha runs from 0 (fully transparent) to 1 (fully opaque); values outside this range are clamped.

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