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RGB to HEX

Convert RGB color values to hexadecimal format instantly.

0–255
0–255
0–255

Hexadecimal

#D64A26

RGB214, 74, 38
HSL12°, 70%, 49%

Enter red, green, and blue values (0–255). The hex code updates in real time.

What is the RGB to HEX?

RGB (Red, Green, Blue) uses decimal values from 0–255 to describe each color channel's intensity. HEX (hexadecimal) represents the same colors as a six-character code (e.g., #FF5733), where each pair of characters encodes one channel in base-16. Both formats describe identical colors; HEX is simply how browsers and CSS natively consume color values.

How it works

Each RGB channel (0–255) is converted to a two-digit hexadecimal number. Red, green, and blue conversions are concatenated with a # prefix to form the HEX code. For example, RGB(255, 87, 51) divides each decimal by 16 to find the two hex digits: 255 becomes FF, 87 becomes 57, and 51 becomes 33, yielding #FF5733.

HEX = #[Red in base-16][Green in base-16][Blue in base-16]

Each RGB value (0–255) is converted to hexadecimal (00–FF). The three pairs are prefixed with # to create the HEX code that CSS and HTML recognize.

Examples

InputResultNotes
RGB(255, 0, 0)#FF0000Pure red: all red intensity, no green or blue
RGB(0, 128, 255)#0080FFSky blue: moderate green channel, high blue
RGB(100, 100, 100)#646464Neutral gray: equal values across all channels

How to use the RGB to HEX

  1. Enter the red value (0–255) in the RGB red field
  2. Enter the green value (0–255) in the RGB green field
  3. Enter the blue value (0–255) in the RGB blue field
  4. Click 'Convert' or the tool auto-generates the HEX code
  5. Copy the HEX code (e.g., #FF5733) from the output
  6. Paste the HEX code directly into your CSS, HTML, or design tool

Benefits

  • Instant conversion eliminates manual hex calculation and reduces errors
  • Works offline—no signup, account, or API key required
  • Copy-to-clipboard functionality speeds up design workflows
  • Useful for matching colors between Photoshop, Figma, and web code
  • Helps debug color mismatches between design mockups and live CSS

Tips & common mistakes

Common mistakes

  • Forgetting the # symbol when pasting HEX into CSS or HTML
  • Confusing RGB(0, 0, 0) with HEX #000000—both are black, but syntax differs
  • Entering values outside 0–255 range; RGB only accepts integers in this range

Tips

  • Many design tools (Figma, Sketch, Adobe XD) let you copy colors as HEX directly; use this converter to verify or convert from RGB mockups
  • HEX #RRGGBB order always matches RGB order: red first, green second, blue third
  • Shorthand HEX (e.g., #F00 for #FF0000) is valid in CSS but use full HEX for clarity and consistency

Frequently asked questions

Can I convert HEX back to RGB?

Yes—our HEX to RGB converter reverses the process. Pair it with this tool for bidirectional color format switching.

Do RGB and HEX describe different colors?

No. RGB and HEX are two notations for the same 16.7 million color space. HEX is simply how web browsers read color values.

Why do I need HEX instead of RGB in CSS?

Both work in modern CSS (RGB and rgb() are valid), but HEX is shorter, faster to type, and universally supported across older browsers and tools.

What if my RGB value is 200?

200 in decimal = C8 in hexadecimal. The converter handles this automatically.

Is there a shorthand HEX format?

Yes. If each HEX pair is identical (#FF00FF), you can abbreviate to #F0F. But full HEX is recommended for precision.

Can I use HEX in HTML without the #?

No. The # is required in CSS and HTML color attributes. Some older systems may accept three-digit hex (e.g., #FFF), but six digits is the standard.

Related tools

HEX to RGBColor PickerHEX to HSLCSS BeautifierHTML FormatterCSS MinifierJavaScript BeautifierRegex TesterTimestamp ConverterUUID GeneratorSHA256 GeneratorJWT Decoder

FreeTooz Editorial Team · Last reviewed July 2026

Reviewed for accuracy. Results are estimates for general information and are not professional (medical, financial or legal) advice.