#899da3 - Shale Grey color

This muted, cool blue-gray carries a gentle green undertone, evoking the calm of a storm-softened sea or an overcast sky. It reads as sophisticated and understated, a versatile neutral that balances modern minimalism with vintage charm. The tone feels soothing and refined, pairing beautifully with warm woods, soft creams, deep navy, or brass accents. Ideal for interiors, textiles, and branding, it brings quiet elegance and a subtle sense of stability without feeling cold or harsh.

#899da3 color RGB value is 137, 157, 163, and the CMYK value is 0.160, 0.0368, 0.00, 0.361. Alternative names for that color are: shale grey, gray, darkgray, granny smith, manatee, violet, darkgrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	137, 157, 163	rgb(137, 157, 163)
CMYK	0.160, 0.0368, 0.00, 0.361	-
sRGB	0.537, 0.616, 0.639	rgb(53.7%, 61.6%, 63.9%)
Adobe® 98 RGB compatible	0.556, 0.610, 0.632	color(a98-rgb, 0.556, 0.61, 0.632)
HCT	216, 13.9, 63.4	color(--hct, 216, 9.62%, 63.4%)
HSL	194, 12.4, 58.8	hsl(194, 12.4%, 58.8%)
HSV	194, 16.0, 63.9	color(--hsv, 194, 16%, 63.9%)
HWB	194, 53.7, 36.1	hwb(194, 53.7%, 36.1%)
Lab	63.3, -6.33, -5.65	lab(63.3%, -6.33, -5.65)
P3	0.552, 0.613, 0.636	color(display-p3, 0.552, 0.613, 0.636)
XYZ D50	0.291, 0.320, 0.298	color(xyz-d50, 0.291, 0.32, 0.298)