Red: 237, Green: 28; Blue: 36?
Some common ways to "describe a color" are a bit different than this. (But you still could use the one you wrote and people will understand)
R237 G28 B36
RGB 237, 28, 36
RGB 237 28 36
The other color model, the HSL is still a good option but less used by far.
H238 S205 L125
HSL 238, 205, 125
HSL 238 205 125
Personally, I ...
I'm going to take a bit of pity here and explain what you're supposed to be thinking about and learning and demonstrating here, all without doing any work for you.
This is under the presumption that you genuinely feel lost and confused about the assignment, and further that you're not simply trying to get us to do your homework for you!
Most common way to notate color is the hash sign hexadecimal string. In your case Red: 237, Green: 28; Blue: 36 is:
This is by far he most common notation. Many design applications and all browsers allow you to paste this in. The only downside of this conversion is that you need to do the hexadecimal conversion. Technically you:
Here is my answer about some other way to consider rich black.
On specific cases use whatever combination of inks your color profile gives you.
Imagine you have a black photo of a night sky. This photo was obviously taken in RGB, well, when converting it to CMYK will give you some CMYK values. Use those, period.
A modern print machine and ...