RGB to HEX Converter Online — Convert rgb(r, g, b) to #HEX

Convert RGB and RGBA color values to 6-digit HEX codes (#000000) online. Live preview palette, CSS output, and error checking.

✓ Parses standard rgb(255, 255, 255) strings or comma-separated numbers

✓ Outputs uppercase or lowercase 6-digit hexadecimal color codes

✓ Live visual color swatch display

✓ Instantly copy hex values into HTML, CSS, Figma, or Photoshop

How It Works

  1. Enter red, green, and blue numbers (0-255) or paste rgb(59, 130, 246).
  2. Each channel is converted to a two-digit hexadecimal representation.
  3. Copy the prefixed #HEX string.

Frequently Asked Questions

How do you convert RGB to HEX manually?

Divide each 0-255 channel number by 16. The integer quotient is the first hex digit, and the remainder is the second hex digit.