#3f414c - Intellectual color

This deep slate color reads as a cool, desaturated charcoal with subtle blue and green undertones. It feels sophisticated and restrained, evoking gunmetal, storm clouds, and industrial surfaces while retaining a soft, smoky warmth. In interiors or graphics it grounds palettes, pairing beautifully with warm woods, aged brass, creamy off-whites, and blush accents. It creates a calm, modern, slightly masculine atmosphere and works well as a neutral backdrop without feeling flat or lifeless.

#3f414c color RGB value is 63, 65, 76, and the CMYK value is 0.171, 0.145, 0.00, 0.702. Alternative names for that color are: intellectual, gray, darkslategray, bright gray, outer space, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	63, 65, 76	rgb(63, 65, 76)
CMYK	0.171, 0.145, 0.00, 0.702	-
sRGB	0.247, 0.255, 0.298	rgb(24.7%, 25.5%, 29.8%)
Adobe® 98 RGB compatible	0.258, 0.263, 0.301	color(a98-rgb, 0.258, 0.263, 0.301)
HCT	274, 10.1, 27.7	color(--hct, 274, 6.98%, 27.7%)
HSL	231, 9.35, 27.3	hsl(231, 9.35%, 27.3%)
HSV	231, 17.1, 29.8	color(--hsv, 231, 17.1%, 29.8%)
HWB	231, 24.7, 70.2	hwb(231, 24.7%, 70.2%)
Lab	27.7, 1.14, -6.99	lab(27.7%, 1.14, -6.99)
P3	0.248, 0.255, 0.294	color(display-p3, 0.248, 0.255, 0.294)
XYZ D50	0.0524, 0.0533, 0.0574	color(xyz-d50, 0.052, 0.053, 0.057)