#66778c - Always Indigo color

This shade is a cool, muted slate blue-gray with a subtle teal undertone, sitting comfortably between denim and steel. It reads as medium-dark and desaturated, evoking overcast skies, calm coastal waters, and contemporary industrial finishes. The color feels grounded and sophisticated—calm yet authoritative—making it suitable for modern interiors, understated branding, and UI elements that require a neutral but characterful tone. It pairs beautifully with warm woods, brass accents, soft whites, and pale ochres.

#66778c color RGB value is 102, 119, 140, and the CMYK value is 0.271, 0.150, 0.00, 0.451. Alternative names for that color are: always indigo, gray, slategray, slate gray, manatee, violet, slategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	102, 119, 140	rgb(102, 119, 140)
CMYK	0.271, 0.150, 0.00, 0.451	-
sRGB	0.400, 0.467, 0.549	rgb(40%, 46.7%, 54.9%)
Adobe® 98 RGB compatible	0.419, 0.464, 0.541	color(a98-rgb, 0.419, 0.464, 0.541)
HCT	252, 19.1, 49.4	color(--hct, 252, 13.2%, 49.4%)
HSL	213, 15.7, 47.5	hsl(213, 15.7%, 47.5%)
HSV	213, 27.1, 54.9	color(--hsv, 213, 27.1%, 54.9%)
HWB	213, 40.0, 45.1	hwb(213, 40%, 45.1%)
Lab	49.2, -2.68, -13.7	lab(49.2%, -2.68, -13.7)
P3	0.413, 0.465, 0.541	color(display-p3, 0.413, 0.465, 0.541)
XYZ D50	0.167, 0.178, 0.207	color(xyz-d50, 0.167, 0.178, 0.207)