#3f545a - Casal color

It is a deep, muted teal-gray with cool blue-green undertones and a soft charcoal depth. It evokes the color of a storm-tossed sea or weathered slate, feeling sophisticated, calming, and slightly somber. Subtly desaturated, it reads as neutral yet distinctly cool, making it versatile for interiors, branding, and UI backgrounds. It pairs beautifully with warm wood tones, aged brass, and dusty coral accents, adding a grounded, modern, industrial-chic presence without overwhelming a palette.

#3f545a color RGB value is 63, 84, 90, and the CMYK value is 0.300, 0.0667, 0.00, 0.647. Alternative names for that color are: casal, gray, darkslategray, limed spruce, outer space, green, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	63, 84, 90	rgb(63, 84, 90)
CMYK	0.300, 0.0667, 0.00, 0.647	-
sRGB	0.247, 0.329, 0.353	rgb(24.7%, 32.9%, 35.3%)
Adobe® 98 RGB compatible	0.280, 0.332, 0.354	color(a98-rgb, 0.28, 0.332, 0.354)
HCT	217, 15.0, 34.3	color(--hct, 217, 10.3%, 34.3%)
HSL	193, 17.6, 30.0	hsl(193, 17.6%, 30%)
HSV	193, 30.0, 35.3	color(--hsv, 193, 30%, 35.3%)
HWB	193, 24.7, 64.7	hwb(193, 24.7%, 64.7%)
Lab	34.2, -7.15, -6.29	lab(34.2%, -7.15, -6.29)
P3	0.264, 0.327, 0.350	color(display-p3, 0.264, 0.327, 0.35)
XYZ D50	0.0704, 0.0808, 0.0823	color(xyz-d50, 0.07, 0.081, 0.082)