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HEX to RGB

Convert HEX color codes to RGB/RGBA values. Paste a color, copy the result — ready for CSS, design tools, and code.

Convert HEX color codes to RGB/RGBA values. Paste a color, copy the result — ready for CSS, design tools, and code.

Accepts:HEX (3, 6, or 8-digit)→Outputs:RGBRGBACSS values
Quick start: Enter a HEX code like #3b5fff into the input field — the tool accepts 3-digit, 6-digit, and 8-digit formats. → Watch the live color swatch update instantly so you can visually confirm the color is correct. → Read the RGB and RGBA equivalents displayed below the swatch, including individual R, G, and B channel values.

Supported formats

Input formats
HEX (3, 6, or 8-digit)
Output formats
RGBRGBACSS values

How to use HEX to RGB

  1. 1

    Enter a HEX code like #3b5fff into the input field — the tool accepts 3-digit, 6-digit, and 8-digit formats.

  2. 2

    Watch the live color swatch update instantly so you can visually confirm the color is correct.

  3. 3

    Read the RGB and RGBA equivalents displayed below the swatch, including individual R, G, and B channel values.

  4. 4

    Click the copy button next to any output format to place the CSS-ready string on your clipboard.

  5. 5

    Adjust the alpha slider if you need a semi-transparent variant of the same color.

Real examples of HEX to RGB in action

Brand HEX to CSS
Before
#3b5fff
After
rgb(59, 95, 255)
Alpha variant for overlay
Before
#000000 with alpha 0.5
After
rgba(0, 0, 0, 0.5) for modal backdrops
3-digit shorthand
Before
#f3a
After
rgb(255, 51, 170)
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Who is HEX to RGB for?

Frontend developers translating Figma HEX tokens into CSS rgba() with alpha

Designers building design systems that require rgb() values for channel math

Email template developers converting brand HEX into RGB for Outlook-compatible HTML

Canvas and WebGL developers needing 0-255 integer RGB values for draw calls

Brand managers delivering exact color specs in both HEX and RGB to vendors

Why use HEX to RGB?

  • Supports 3-digit shorthand (#fff), standard 6-digit (#ffffff), and 8-digit HEX with alpha (#ffffff80).
  • Copies CSS-ready rgba(r,g,b,a) strings that you can paste directly into stylesheets or design tools.
  • Live preview swatch updates as you type, so you catch typos before copying.
  • Runs entirely in your browser — your color data is never sent to a server.
  • Zero dependencies on external APIs — works offline once the page has loaded.

Common use cases

  • Build a design system palette by converting brand HEX codes into RGB tokens for your CSS variables.
  • Convert colors from a Figma or Sketch mockup into CSS-compatible RGB values for front-end implementation.
  • Generate semi-transparent variants of a brand color for overlay backgrounds and hover states.
  • Translate HEX codes from a client's brand guidelines into RGB values needed by email template builders.
  • Quickly verify that a HEX code you found in a codebase actually corresponds to the color you expect.

How HEX to RGB keeps your data private

Conversion is a deterministic math operation performed in your browser — each HEX pair becomes a decimal integer. Since there's no personally identifying or sensitive data involved, the privacy win here is structural: the tool does zero telemetry, so your brand colors don't feed into any competitor intelligence dataset.

How HEX to RGB compares to alternatives

Honest comparison to other popular options — pick the right tool for the job.

ToolMain limitation
RapidTables HEX to RGBHeavy ads and popups interrupt the conversion workflow
W3Schools color pickerNo copy-as-rgba() shortcut and no alpha slider
Adobe ColorRequires Adobe account sign-in to save conversions
HEX to RGBFree, runs in your browser, no sign-up, no watermarks, no file-size limits beyond your device memory.

Limitations & things to know

  • HSL output is not included — use the HSL to HEX tool for that
  • Named CSS colors (like 'coral') are not supported as input

About HEX to RGB

HEX to RGB is the most common color conversion in web design. Every palette you design eventually needs RGB or RGBA values for transparency, gradients, CSS filters, and JavaScript canvas operations. Xevon Tools' HEX to RGB converter handles 3-digit shorthand, standard 6-digit codes, and 8-digit codes with alpha channels. A live preview swatch updates as you type so you can visually confirm the color before copying. The tool outputs individual R, G, and B channel values alongside a complete rgba() string ready to paste into your stylesheet. Because the conversion runs entirely in your browser using simple arithmetic, it works offline, requires no account, and keeps your data completely private. Whether you are building a design system, converting brand colors from a mockup, or debugging a color value in your codebase, this tool gives you the answer in under a second.

Frequently asked questions

Yes. Input like #3b5fff80 is accepted and the alpha channel is correctly reflected in the RGBA output. The last two hex digits represent the alpha value from 00 (fully transparent) to ff (fully opaque).
Absolutely. HEX to RGB is a pure mathematical mapping — each pair of hex digits converts directly to a 0-255 integer. There is no rounding, interpolation, or loss of precision involved.
Yes. Copy the individual R, G, B values and use them in CSS custom properties like --color-primary: rgb(59, 95, 255). This is especially useful for design systems that need to compose colors with variable opacity.
The tool validates your input in real time. If the code is malformed — for example, it contains non-hex characters or has an unsupported length — an error message appears immediately so you can correct it.

Your files never leave your device

Every tool on Xevon Tools runs 100% in your browser. No uploads, no servers, no tracking. Free forever.

Learn more

Embed HEX to RGB on your site

Add this tool to your own website, blog, or internal tool page with one line of code. Free to use, no attribution required (but appreciated).

<iframe src="https://www.xevontools.com/embed/hex-to-rgb" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px;" title="HEX to RGB — Xevon Tools"></iframe>
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