RGB to HEX Converter
This RGB to HEX converter turns any rgb() value into a clean #hex code you can drop straight into HTML or CSS, with one-click copy for HEX, RGB and HSL. It runs entirely in your browser, no sign-up.
Pick and copy colors.
How to use the rgb to hex
- Set your color: drag the native color picker, or type a value into the editable field to load it.
- Read the RGB stat readout to confirm the red, green and blue channels (0-255 each) you are converting.
- Copy the HEX value shown - the tool joins each channel as a two-digit hex pair into a #rrggbb code, padding leading zeros for you.
- Paste the #hex code into your CSS, HTML, SVG fill or design tool wherever a color is needed.
- Need the reverse or a full set? Use the sibling HEX to RGB page to go back, or the Palette page to build shades and harmonies from this color.
About the rgb to hex
Going from RGB to HEX is the everyday reverse of reading a color off the screen: you have three channel numbers - red, green and blue, each from 0 to 255 - and you need the six-digit hex string that HTML and CSS actually understand. This tool does that instantly. Set the color with the native picker, or type it into the editable field, and it prints the matching #hex code alongside the live RGB and HSL values so you can copy whichever your stylesheet wants. It all happens client-side, so nothing is uploaded and there is no account to create.
The conversion itself is simple once you see it: each channel is written as a two-digit base-16 (hexadecimal) number, and the three are joined together. Red 255 becomes ff, green 0 becomes 00, blue 0 becomes 00, so rgb(255, 0, 0) is #ff0000. The detail that trips people up is the leading zero - a channel below 16, like blue 5, has to be written as 05, not just 5, or the whole code shifts and the color breaks. This converter always pads to two digits per channel, giving you a valid six-character hex every time. Hex codes are case-insensitive, so #FF8800 and #ff8800 are the same color; the tool shows lowercase, which is the common CSS convention.
You reach for a hex code whenever you are writing color into markup or a stylesheet: color, background-color, border, an SVG fill, an email template, or a design handoff where #0A66C2 is easier to paste than three separate numbers. This RGB to HEX page is one view of the same free Color Picker - its sibling HEX to RGB page goes the other direction when you already have a #code and need the channel values, and the Color Palette page turns your chosen color into shades, tints and harmonies. One honest limit worth stating: this is a value converter, so it does not pull a color out of an uploaded photo or map to Pantone or other print-ink systems - it works from the RGB numbers or the on-screen picker you give it.
Frequently asked questions
- How do I use this RGB to HEX converter?
- Pick a color or type a value, then copy the HEX code it shows. The tool converts your rgb() channels into a #rrggbb string automatically and also displays live RGB and HSL for reference.
- How is RGB converted to a hex code?
- Each channel (red, green, blue) from 0 to 255 is written as a two-digit hexadecimal number, and the three pairs are joined. For example rgb(255, 0, 0) becomes ff + 00 + 00, or #ff0000.
- Why does a channel need a leading zero?
- Every channel must be exactly two hex digits. A value under 16, like blue 5, is written 05, not 5. Skipping the leading zero shifts the other digits and produces the wrong color, so this converter always pads to two digits.
- When do I need a hex code instead of rgb()?
- Both work in modern CSS, but hex is compact and easy to paste into HTML attributes, SVG fills, email templates and design tools. A single #0a66c2 is often simpler to hand off than three separate numbers.
- Does the hex code have to be lowercase?
- No. Hex codes are case-insensitive, so #FF8800 and #ff8800 are identical colors. This tool outputs lowercase, which is the common CSS convention, but either case is valid.
- Can it convert a color from an image or give me a Pantone code?
- No. This is a value converter that works from the RGB numbers or the on-screen picker. It does not sample colors from an uploaded photo and has no Pantone or print-ink database.
- Can I go from hex back to RGB?
- Yes. Use the sibling HEX to RGB page of the same Color Picker to enter a #code and read the red, green and blue channel values, plus HSL.
- Is it free and private?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser, so your colors are never uploaded to a server.