#57748d - Copen Blue color

This muted steel-blue carries slate-gray undertones and a cool, restrained depth. It feels like a calm, storm-tossed sea or aged denim—serene yet resolute. Slightly desaturated with a whisper of green-gray, it conveys professionalism and quiet sophistication. It works well as a backdrop or accent in interiors, branding, and web design, harmonizing with warm creams, brass, mustard, or crisp white. The color suggests stability and refinement, making it versatile for both modern minimalism and classic palettes.

#57748d color RGB value is 87, 116, 141, and the CMYK value is 0.383, 0.177, 0.00, 0.447. Alternative names for that color are: copen blue, gray, slategray, lynch, manatee, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	87, 116, 141	rgb(87, 116, 141)
CMYK	0.383, 0.177, 0.00, 0.447	-
sRGB	0.341, 0.455, 0.553	rgb(34.1%, 45.5%, 55.3%)
Adobe® 98 RGB compatible	0.378, 0.452, 0.544	color(a98-rgb, 0.378, 0.452, 0.544)
HCT	244, 24.4, 47.5	color(--hct, 244, 16.8%, 47.5%)
HSL	208, 23.7, 44.7	hsl(208, 23.7%, 44.7%)
HSV	208, 38.3, 55.3	color(--hsv, 208, 38.3%, 55.3%)
HWB	208, 34.1, 44.7	hwb(208, 34.1%, 44.7%)
Lab	47.3, -5.82, -17.3	lab(47.3%, -5.82, -17.3)
P3	0.365, 0.452, 0.544	color(display-p3, 0.365, 0.452, 0.544)
XYZ D50	0.147, 0.163, 0.208	color(xyz-d50, 0.147, 0.163, 0.208)