#344d58 - Nocturne color

This deep slate-teal is a cool, muted blue-gray with pronounced teal undertones, evoking stormy coastal waters and aged steel. It reads sophisticated and grounded, lending a calm, modern mood to interiors or interfaces. Paired with warm wood, brass, cream, or soft coral accents it balances elegance with approachability. Use it for backgrounds, accent walls, or UI headers where a restrained but characterful color is needed; it pairs well with high-contrast off-white for readable text.

#344d58 color RGB value is 52, 77, 88, and the CMYK value is 0.409, 0.125, 0.00, 0.655. Alternative names for that color are: nocturne, gray, darkslategray, limed spruce, outer space, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	52, 77, 88	rgb(52, 77, 88)
CMYK	0.409, 0.125, 0.00, 0.655	-
sRGB	0.204, 0.302, 0.345	rgb(20.4%, 30.2%, 34.5%)
Adobe® 98 RGB compatible	0.246, 0.306, 0.346	color(a98-rgb, 0.246, 0.306, 0.346)
HCT	227, 18.2, 31.2	color(--hct, 227, 12.5%, 31.2%)
HSL	198, 25.7, 27.5	hsl(198, 25.7%, 27.5%)
HSV	198, 40.9, 34.5	color(--hsv, 198, 40.9%, 34.5%)
HWB	198, 20.4, 65.5	hwb(198, 20.4%, 65.5%)
Lab	31.1, -7.47, -9.73	lab(31.1%, -7.47, -9.73)
P3	0.225, 0.299, 0.340	color(display-p3, 0.225, 0.299, 0.34)
XYZ D50	0.0575, 0.0668, 0.0774	color(xyz-d50, 0.058, 0.067, 0.077)