#3f5a5d - Otter Creek color

This is a cool, muted teal with strong slate undertones — a deep blue-green leaning toward charcoal. It feels both marine and urban, evoking storm-tossed seas, aged copper patina, and smoky evergreen foliage. The color reads sophisticated and understated, offering calm and stability rather than brightness. It works well as a grounding wall tone, an accent in textiles, or a metallic pairing with warm brass and cream. Ideal for moody interiors, nautical palettes, or industrial-chic schemes.

#3f5a5d color RGB value is 63, 90, 93, and the CMYK value is 0.323, 0.0323, 0.00, 0.635. Alternative names for that color are: otter creek, gray, darkslategray, spectra, outer space, green, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	63, 90, 93	rgb(63, 90, 93)
CMYK	0.323, 0.0323, 0.00, 0.635	-
sRGB	0.247, 0.353, 0.365	rgb(24.7%, 35.3%, 36.5%)
Adobe® 98 RGB compatible	0.288, 0.355, 0.365	color(a98-rgb, 0.288, 0.355, 0.365)
HCT	205, 17.1, 36.3	color(--hct, 205, 11.8%, 36.3%)
HSL	186, 19.2, 30.6	hsl(186, 19.2%, 30.6%)
HSV	186, 32.3, 36.5	color(--hsv, 186, 32.3%, 36.5%)
HWB	186, 24.7, 63.5	hwb(186, 24.7%, 63.5%)
Lab	36.2, -9.85, -5.17	lab(36.2%, -9.85, -5.17)
P3	0.269, 0.350, 0.362	color(display-p3, 0.269, 0.35, 0.362)
XYZ D50	0.0767, 0.0910, 0.0888	color(xyz-d50, 0.077, 0.091, 0.089)