HEX to RGB | Color Code Converter | Color Conversion
Online HEX to RGB tool: enter a HEX color value to convert it to RGB in real time, with one-click copy of the result. Free and no registration required.
HEXEnter or adjust the color values
rgba(255, 87, 51, 1)
RGB
rgb(255, 87, 51)
R
255
G
87
B
51
All Color Conversion Combinations
132 itemsAbout HEX to RGB
HEX to RGB is a free online tool that converts HEX to RGB, helping you quickly convert colors and switch between formats in web design, front-end development, and graphic design. HEX is Represents the three RGB channels with a hexadecimal value built from the characters 0-9 and A-F. RGB is Represents color through the values of the red, green, and blue channels, each ranging from 0 to 255. At its core, HEX to RGB takes a color value expressed in HEX and converts it into RGB using a mathematical algorithm. The tool shows the result as both a visual color swatch and a complete CSS string, and you can copy it to the clipboard with a single click—no manual calculation or lookup tables required. This makes color code conversion fast, accurate, and reproducible, and it is suitable for designers, front-end developers, UI engineers, and anyone else who works with color.
What Is HEX to RGB
HEX is a hexadecimal color code. It starts with # followed by 6 digits (or a 3-digit shorthand) of hexadecimal. The first two digits represent the red channel, the middle two green, and the last two blue, with each digit taking a value from 0-9 and A-F, covering roughly 16.77 million colors. RGB represents color through the values of the red, green, and blue channels. Each channel ranges from 0-255, and the combination of the three channels covers roughly 16.77 million colors, making it the foundational color model for screen display. Remove the # from the HEX value and split the remaining digits into pairs. Parse each pair as a hexadecimal number into decimal to get the R, G, and B channels. For example, #FF5733 → FF=255, 57=87, 33=51.
How to Use HEX to RGB
Using this HEX to RGB tool is very simple and takes just three steps. First, select HEX from the "Source Color Unit" dropdown on the left (it is selected by default), and enter the HEX value you want to convert in the input card. Second, select RGB from the "Target Color Unit" dropdown on the right; the tool instantly calculates and displays the corresponding RGB value, along with a color swatch preview and the complete CSS string, so you can confirm the color and format at a glance. Third, once you are happy with the result, click the "Copy" button to copy the RGB value to your clipboard and paste it straight into your code or design software. If you picked the wrong source or target unit, click the "⇄" button in the middle to swap them with one click. The whole process requires no registration and no data upload—all calculations run locally in your browser.
Use Cases for HEX to RGB
Use this when you copy a HEX value from a design file and need to perform numeric calculations in code, such as scaling a color's brightness. Web CSS, design annotations, brand color specifications, and any situation where you need to copy and paste colors between different applications. Screen display, Canvas drawing, and any situation where a program needs to compute colors dynamically (such as generating a heat map from numeric data).
How HEX to RGB Works
Remove the # from the HEX value and split the remaining digits into pairs. Parse each pair as a hexadecimal number into decimal to get the R, G, and B channels. For example, #FF5733 → FF=255, 57=87, 33=51. HEX is essentially another way of writing RGB: it converts the decimal numbers 0-255 into two hexadecimal digits. For example, in #FF5733, FF=255, 57=87, and 33=51, which is the same color as rgb(255, 87, 51). RGB is an additive model: the higher the channel values, the brighter the color. When all three channels are 0 the result is black, and when all are 255 it is white. Every pixel on a screen is formed by mixing red, green, and blue subpixels at different brightness levels.
Tips for Using HEX to RGB
When parsing, first expand a 3-digit shorthand to 6 digits, then split into pairs. If the HEX string is not 3 or 6 characters long, the input is invalid and you should warn the user rather than forcing a parse. HEX is case-insensitive, and the 3-digit shorthand #F53 is equivalent to #FF5533, but shorthand only works when each channel has two identical digits. In production projects it is best to standardize on the six-digit uppercase form to reduce ambiguity. RGB is easy for programs to compute and iterate on, but the human eye finds it hard to interpret what a given set of numbers will look like, so it suits machine processing more than manual color adjustment.
Frequently Asked Questions (FAQ)
Does HEX to RGB lose information?
No. An ordinary 6-digit HEX maps one-to-one to RGB, so the conversion is lossless.
Why is my HEX to RGB result 0,0,0?
It is usually because the HEX string you entered is invalid, and the parser falls back to black. Check that it is a valid 6-digit or 3-digit value.
Can I reverse the result after converting HEX to RGB?
Yes. RGB to HEX is the inverse calculation, and as long as the value ranges match, the original HEX value can be recovered.
Can HEX represent transparency?
A regular HEX value has only 6 digits and carries no transparency. If you need transparency, use HEX8 (#RRGGBBAA) or RGBA.
Why do some HEX values have only 3 digits?
The 3-digit form is shorthand in which each digit is duplicated: for example, #F53 is equivalent to #FF5533. Shorthand is convenient for hand-typing but has limited expressive power.
Why is the RGB range 0-255?
Because each channel is represented by 8 binary bits, and 2^8 = 256, so the range is 0-255.
What is the difference between RGB and RGBA?
RGBA adds an Alpha transparency channel on top of RGB, with a value from 0-1 that represents opacity.
Can I convert in the opposite direction?
Yes. You can go directly to the "RGB to HEX" page, or click the "⇄" swap button in the middle of the current page to exchange the source and target units and convert in the opposite direction. The reverse conversion is just as precise, because the color conversion math is reversible.
Can I use the conversion results commercially?
Yes. Color values are numerical information and involve no copyright issues, so you are free to use the conversion results in websites, apps, design work, or commercial projects without authorization or attribution. Do note, however: if the original color comes from material that someone else holds the copyright to, using the color itself is unrestricted, but the copyright to the original material still belongs to its author.