#686d70 - Beautiful Darkness color

This is a muted, medium-dark slate tone with cool blue-green undertones, resembling a soft, weathered steel or pebble. It feels calm and restrained, carrying a subtle smokiness that reads as sophisticated and modern. The hue pairs beautifully with warm wood, brass, and off-white accents, grounding interiors or digital interfaces without overpowering them. It evokes overcast skies, worn denim, and urban concrete, lending spaces a cozy yet industrial elegance and a quiet, timeless presence.

#686d70 color RGB value is 104, 109, 112, and the CMYK value is 0.0714, 0.0268, 0.00, 0.561. Alternative names for that color are: beautiful darkness, gray, dimgray, dove gray, outer space, violet.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	104, 109, 112	rgb(104, 109, 112)
CMYK	0.0714, 0.0268, 0.00, 0.561	-
sRGB	0.408, 0.427, 0.439	rgb(40.8%, 42.7%, 43.9%)
Adobe® 98 RGB compatible	0.412, 0.426, 0.437	color(a98-rgb, 0.412, 0.426, 0.437)
HCT	227, 5.89, 45.7	color(--hct, 227, 4.06%, 45.7%)
HSL	203, 3.70, 42.4	hsl(203, 3.7%, 42.4%)
HSV	203, 7.14, 43.9	color(--hsv, 203, 7.14%, 43.9%)
HWB	203, 40.8, 56.1	hwb(203, 40.8%, 56.1%)
Lab	45.7, -1.50, -2.38	lab(45.7%, -1.5, -2.38)
P3	0.411, 0.427, 0.438	color(display-p3, 0.411, 0.427, 0.438)
XYZ D50	0.142, 0.150, 0.132	color(xyz-d50, 0.142, 0.15, 0.132)