Which RGB colour codes do infrared and ultraviolet have?

(IIRC LCD usually screens have a UV filter). For pure IR or UV colour: no, but you will not have a pure Red, nor a pure Green, nor a pure Blue anyway. read more

Infrared light has a wavelength larger than red light, and ultraviolet light has a wavelength shorter than blue light. It is therefore impossible to construct either IR or UV light using an RGB code. read more

Assuming you mean RGB values on sRGB colour space (the most common one used in computers and in televisions and ti define colour in web). sRGB give us the three primaries (+ white), but there is nothing how to produce such colours, so nothing about spectrum of the 4 colours. So “Red” could send some infrared, and “Blue” some UV light. read more

Type your color in the box in the left, it doesn't matter the format and how you space the values. You can also try with a keyword. Now convert this color / search this keyword pressing the buttons below the search box!. read more