ToolNest

RGB to HEX Converter

Convert RGB color values to a HEX code with live sliders and preview.

#2563eb

Set the red, green and blue channels with inputs or sliders and get the matching hex color code instantly. A live swatch previews the color, and you can copy the HEX or RGB string with one click — handy for CSS, design tokens and email templates.

How to use the RGB to HEX Converter

  1. Enter the R, G and B values (0–255), or drag the sliders.
  2. Watch the preview and HEX value update instantly.
  3. Copy the HEX or RGB string you need.

Frequently asked questions

How do I convert RGB to HEX manually?

Convert each channel (0–255) to a two-digit hexadecimal number and concatenate them. For example rgb(37, 99, 235) → #2563eb.

Does it clamp out-of-range values?

Yes. Values below 0 or above 255 are clamped to the valid range before conversion.