#515763 - Dark Mineral color

This color is a medium-dark, muted slate blue-gray with faint green undertones, producing a cool, desaturated hue reminiscent of stormy skies or worn denim. Its subdued depth feels sophisticated and calming, lending a moody, grounded atmosphere. It pairs elegantly with warm neutrals and brass for contrast, or with soft creams and pale blushes for balance, and works well in modern, industrial, or coastal palettes. Ideal for backgrounds, accent walls, and understated UI elements that require subtle refinement.

#515763 color RGB value is 81, 87, 99, and the CMYK value is 0.182, 0.121, 0.00, 0.612. Alternative names for that color are: dark mineral, gray, dimgray, scarpa flow, outer space, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	81, 87, 99	rgb(81, 87, 99)
CMYK	0.182, 0.121, 0.00, 0.612	-
sRGB	0.318, 0.341, 0.388	rgb(31.8%, 34.1%, 38.8%)
Adobe® 98 RGB compatible	0.328, 0.343, 0.386	color(a98-rgb, 0.328, 0.343, 0.386)
HCT	261, 11.5, 36.9	color(--hct, 261, 7.9%, 36.9%)
HSL	220, 10.0, 35.3	hsl(220, 10%, 35.3%)
HSV	220, 18.2, 38.8	color(--hsv, 220, 18.2%, 38.8%)
HWB	220, 31.8, 61.2	hwb(220, 31.8%, 61.2%)
Lab	36.8, -0.328, -7.81	lab(36.8%, -0.328, -7.81)
P3	0.322, 0.340, 0.384	color(display-p3, 0.322, 0.34, 0.384)
XYZ D50	0.0904, 0.0942, 0.0995	color(xyz-d50, 0.09, 0.094, 0.099)