#677283 - Flintstone color

A steely, muted blue-gray with subtle teal undertones, this medium-dark shade feels cool and restrained. It reads as modern and sophisticated—quietly atmospheric rather than vivid—making it ideal for minimalist interiors, refined branding, and calm user interfaces. Its soft desaturation lends an industrial-chic elegance that pairs beautifully with warm woods, brass or copper accents, creamy whites, and deep charcoal. The overall mood is composed and versatile: simultaneously soothing, professional, and quietly confident.

#677283 color RGB value is 103, 114, 131, and the CMYK value is 0.214, 0.130, 0.00, 0.486. Alternative names for that color are: flintstone, gray, slategray, storm gray, manatee, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	103, 114, 131	rgb(103, 114, 131)
CMYK	0.214, 0.130, 0.00, 0.486	-
sRGB	0.404, 0.447, 0.514	rgb(40.4%, 44.7%, 51.4%)
Adobe® 98 RGB compatible	0.416, 0.445, 0.507	color(a98-rgb, 0.416, 0.445, 0.507)
HCT	256, 15.4, 47.7	color(--hct, 256, 10.6%, 47.7%)
HSL	216, 12.0, 45.9	hsl(216, 12%, 45.9%)
HSV	216, 21.4, 51.4	color(--hsv, 216, 21.4%, 51.4%)
HWB	216, 40.4, 48.6	hwb(216, 40.4%, 48.6%)
Lab	47.6, -1.31, -10.9	lab(47.6%, -1.31, -10.9)
P3	0.412, 0.446, 0.508	color(display-p3, 0.412, 0.446, 0.508)
XYZ D50	0.156, 0.165, 0.180	color(xyz-d50, 0.156, 0.165, 0.18)