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Color Converter Online

Convert colors between HEX and RGB.

Updated

This tool runs in your browser. No account or signup is required.

Common Color Converter tasks

Developers typically reach for this page when they need to convert HEX to RGB online; convert RGB to HEX online; convert CSS colors. The tool is built for quick, practical work rather than a generic demo.

What matters in a color converter workflow

When developers compare online tools for this job, the useful capabilities tend to center on HEX/RGB/HSL/HSV/CMYK, live swatch, copy, named colors. This page keeps those practical needs in mind while linking to related tools when a different workflow is a better fit.

What is Color Converter?

Color Converter converts between HEX codes (#FFF or #FFFFFF) and rgb() values. Enter a HEX code to get RGB, or an rgb() value to get HEX.

What problem does it solve?

Design specs and CSS use different color formats, and converting by hand means doing hex math in your head.

How to use Color Converter

  1. Enter a color such as #FF5733 or rgb(255, 87, 51).
  2. The converted value appears as you type.
  3. Press Copy.

Example

Input

#FF5733

Output

rgb(255, 87, 51)

What you can do with Color Converter

  • HEX to RGB
  • RGB to HEX
  • Color code converter

Common use cases

  • Translating a designer's HEX codes for a CSS rule that uses rgb()
  • Matching colors between tools
  • Checking what a 3-digit HEX expands to

Related developer tasks

  • HEX to RGB
  • RGB to HEX
  • Color code converter

What the color converter supports

  • HEX to RGB: enter a value starting with #, in 3 or 6 digits (#FFF or #FFFFFF).
  • RGB to HEX: enter rgb(r, g, b) and get an uppercase HEX code.
  • A color preview swatch appears next to the result.
  • HSL, alpha and named colors are not supported, and a HEX code without the # sign is rejected.

Color conversion examples

#3B82F6          ->  rgb(59, 130, 246)
rgb(59, 130, 246) ->  #3B82F6

Direction-specific pages: HEX to RGB Converter, RGB to HEX Converter, HEX to Decimal

Color Converter FAQ

Which formats are supported?

HEX (3 or 6 digits, starting with #) and rgb(). Other formats such as HSL are not supported.

Which direction should I use?

Both directions work on this page. Type a HEX code to get RGB, or an rgb() value to get HEX.

Looking for something else? Browse all developer tools.

onlinedevelopertool.com is a collection of 54 free, browser-based utilities for the small jobs that interrupt real work: formatting a JSON response, decoding a token, converting a timestamp, generating a UUID or checking a hash. Each tool has its own page with a short explanation, a worked example and answers to common questions, so you can use it and learn what it does at the same time.

There is no account to create and nothing to install. Tools run in your browser, so the text you paste is processed on your own device. The one exception is the Website Status Checker, which sends a request from your browser to the address you enter.

Three steps: paste your input, click the tool, copy the result, all inside your browser
Popular developer utilities: JWT decoder, UUID generator, Base64 decoder, SHA-256 hash, regex tester and timestamp converter

What you can do here

  • JSON Tools

    Format, validate, beautify and minify JSON, generate C#, TypeScript, Java, Python, Go, PHP and Kotlin models from it, or convert between JSON, YAML and CSV.

  • Encoders & Decoders

    URL, Base64 and HTML encoding and decoding, plus a JWT decoder for reading token claims.

  • Generators & Hashes

    Generate UUIDs and JWTs, validate UUIDs, and create MD5, SHA-256 and SHA-512 hashes.

  • Web Tools

    Timestamps, color codes, query strings and cron expressions - the small things web work keeps throwing at you.

  • Text & Data

    Format XML and YAML, count text, change case, make slugs, test regex, diff two texts and convert number bases.

  • Website Checking

    Check whether a website or URL is reachable from your browser.

Quick developer reference

  • JSON

    Keys and strings must use double quotes, and trailing commas and comments are not allowed. Those are the three most common reasons a payload fails to parse.

    Validate JSON

  • JWT

    A JSON Web Token is three Base64URL parts joined by dots: header, payload and signature. Decoding shows the claims but does not prove the token is genuine; only signature verification does.

    Decode a JWT

  • Base64

    Base64 is an encoding, not encryption. Anyone can reverse it, and it makes data roughly one third larger, so never use it to hide secrets.

    Decode Base64

  • UUID

    A version 4 UUID is made of random bits and written as 8-4-4-4-12 hexadecimal characters. Collisions are astronomically unlikely, which is why they work well as identifiers.

    Generate a UUID

  • Timestamps

    A Unix timestamp counts time since 1 January 1970 UTC. Ten digits usually means seconds and thirteen digits usually means milliseconds.

    Convert a timestamp

  • Hashes

    MD5 is fine for quick checksums but is not safe for security. Prefer SHA-256 or SHA-512, and remember that hashing is one-way and is not encryption.

    Create a SHA-256 hash

Missing a tool you need? Visit the contact page and tell us what you reach for most often. You can also browse every tool or read the About page to see how the site is built and what it does with your data.