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Color Converter

Color Converter — runs in your browser. Inputs are not stored.

Runs in your browser No sign-up Free to use


RGB / HEX

Supports #RGB and #RRGGBB. Preview is shown only on this page.

How to use

  1. Enter HEX such as #1a5cff.
  2. Changing R, G, or B numbers updates HEX.
  3. Confirm with the color preview above.

Key concepts: HEX and RGB

HEX is a hexadecimal color code. Three-digit #RGB and six-digit #RRGGBB are accepted. RGB channels are 0–255. Convert when matching values across design, CSS, and development tools.

Example

#abc is expanded to #aabbcc. The preview is only on this page and is not saved.

Related: character counter · keyboard tester · date calculator

Frequently asked questions

Does RGB HEX conversion support alpha (transparency)?

This version converts RGB and HEX only.

What about short codes like #abc?

They are expanded to #aabbcc.

Is the color saved?

No. It disappears when you close the page.

Does case matter?

HEX is recognized in both upper and lower case.

With other utilities?

The <a href="/tools/char-count/">character counter</a> and <a href="/tools/keyboard-test/">keyboard tester</a> are on the same hub.

Color Converter cover image

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Your input is not sent to the server and disappears when you close the page.

Last reviewed: 2026-09-04