RGB to Hex Color Converter
Enter red, green, and blue channel values and get the matching hex color code plus its HSL equivalent. This free online developer calculator runs entirely in your browser — no signup, no data sent anywhere.
Inputs
Results
How It Works (Formula & Method)
Each channel value is clamped to 0–255, rounded, and converted to a two-digit hexadecimal string. The three pairs are joined into a #RRGGBB code. HSL is computed from the same channels by deriving hue, saturation, and lightness.
Worked Example
Below is a worked example using the calculator's default values. The same numbers are pre-filled in the form above so you can press Calculate and see the result without typing anything.
Inputs used:
- Red (0–255): 31
- Green (0–255): 111
- Blue (0–255): 235
With these inputs, the calculator computes the metrics shown in the Results panel. Change any value and press Calculate again to see how the result responds — the live widget and the chart both update instantly.
About the RGB to Hex Color Converter
Color pickers and image editors usually report colors as RGB triplets, but stylesheets and design systems often expect hex codes. This converter turns any RGB value into a clean six-digit hex code and also reports the HSL equivalent.
Tips & Considerations
- Channel values outside 0–255 are clamped to the nearest valid value.
- Equal R, G, and B values always produce a shade of gray.
- Hex codes are case-insensitive, but lowercase is the common convention in modern CSS.
Frequently Asked Questions
Why are some hex digits letters?
Hexadecimal needs sixteen symbols per digit. After 0–9 it uses A–F to represent the values 10 through 15.
Does the order of channels matter?
Yes — hex codes are always written red, then green, then blue. Swapping them produces a completely different color.
When should I use HSL instead of hex?
HSL makes it intuitive to create variations of a color: adjust lightness for tints and shades, or rotate hue for a complementary palette.
What does the RGB to Hex Color Converter compute?
The RGB to Hex Color Converter takes 3 input values and returns 2 results. Convert RGB color values to a hex code and HSL — handy for CSS, design handoffs, and graphics editors.