RGB to HEX Converter

Convert red, green and blue values into a web hex color.

How the Math Works

The RGB to HEX conversion transforms decimal color values (0-255) into hexadecimal notation using base-16 representation. Each color channel (Red, Green, Blue) is converted independently by dividing the decimal value by 16 repeatedly: the quotient becomes the first hex digit and the remainder becomes the second digit. For example, 200 decimal converts to C8 hex (200 ÷ 16 = 12 remainder 8, where 12 = C in hex). These three two-digit hexadecimal pairs are concatenated with a hash symbol prefix to form the complete six-character HEX code (#RRGGBB).

Practical Applications

To use this converter practically, enter your RGB values from design software, image editors, or color pickers into the three input fields. Web developers apply this when translating design mockups to CSS stylesheets, converting pixel-perfect color specifications into valid hex codes. Graphic designers use it when exporting color palettes for web implementation, ensuring consistency between design tools that often display RGB values and development environments that require HEX notation for styling elements, buttons, and backgrounds.

Day-to-Day Use

This conversion bridges the gap between digital design and web implementation, helping professionals maintain color accuracy across different software platforms. Whether you're customizing a website theme, matching brand colors precisely, or ensuring your personal projects display consistent colors, converting RGB to HEX eliminates guesswork. It's essential for anyone creating digital content where exact color reproduction matters — from business websites to social media graphics — ensuring what you see in design tools appears identically in browsers.

Worked example

255, 136, 0 → #FF8800.

FAQ