Nail the exact color cool gray in your design by using the code from any one of these systems for color identification.
|RGB||r: 140, g: 146, b: 172|
|HSL||h: 229°, s: 16%, l: 61%|
|HSV||h: 229°, s: 19%, v: 67%|
|CMYK||c: 19%, m: 15%, y: 0%, k: 33%|
If you're identifying color for pretty much anything digital, you're working in an RGB colorspace. If the project you're working on requires percentage representation, cool gray is made of 55% red, 57% green, and 67% blue.
If you're identifying color for a print project, you're most likely using a CMYK colorspace—the percentages are 19% cyan, 15% magenta, 0% yellow, 33% black.