#647b84 - Smokey Blue color

A subdued steel-blue with greenish-teal undertones, this mid-dark grayish-blue reads cool and calm. It feels like weathered slate or a misty coastal tide, offering a sophisticated, restrained presence. Slightly desaturated, it works well as a background or accent in modern interiors, branding, and UI, pairing naturally with warm creams, rich mustard, tan leathers, or copper metallics. The overall impression is stable, serene, and quietly elegant—neither glaringly bold nor overly neutral.

#647b84 color RGB value is 100, 123, 132, and the CMYK value is 0.242, 0.0682, 0.00, 0.482. Alternative names for that color are: smokey blue, gray, slategray, pale sky, manatee, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	100, 123, 132	rgb(100, 123, 132)
CMYK	0.242, 0.0682, 0.00, 0.482	-
sRGB	0.392, 0.482, 0.518	rgb(39.2%, 48.2%, 51.8%)
Adobe® 98 RGB compatible	0.419, 0.479, 0.512	color(a98-rgb, 0.419, 0.479, 0.512)
HCT	222, 16.3, 50.1	color(--hct, 222, 11.3%, 50.1%)
HSL	197, 13.8, 45.5	hsl(197, 13.8%, 45.5%)
HSV	197, 24.2, 51.8	color(--hsv, 197, 24.2%, 51.8%)
HWB	197, 39.2, 48.2	hwb(197, 39.2%, 48.2%)
Lab	50.0, -7.05, -7.85	lab(50%, -7.05, -7.85)
P3	0.410, 0.480, 0.513	color(display-p3, 0.41, 0.48, 0.513)
XYZ D50	0.165, 0.184, 0.186	color(xyz-d50, 0.165, 0.184, 0.186)