#404c57 - Abyssal color

A deep, muted slate blue-gray with cool, steely undertones, this shade reads as sophisticated and restrained. It balances a subtle blue tinge against charcoal neutrality, producing an urbane, calming presence that feels modern and dependable. Its low saturation makes it versatile for backgrounds, interfaces, and fashion, pairing especially well with warm accents like mustard, amber, or natural wood, as well as crisp whites and rosy neutrals for contrast and soft luminosity.

#404c57 color RGB value is 64, 76, 87, and the CMYK value is 0.264, 0.126, 0.00, 0.659. Alternative names for that color are: abyssal, gray, darkslategray, river bed, outer space, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	64, 76, 87	rgb(64, 76, 87)
CMYK	0.264, 0.126, 0.00, 0.659	-
sRGB	0.251, 0.298, 0.341	rgb(25.1%, 29.8%, 34.1%)
Adobe® 98 RGB compatible	0.272, 0.303, 0.342	color(a98-rgb, 0.272, 0.303, 0.342)
HCT	244, 13.1, 31.7	color(--hct, 244, 9.06%, 31.7%)
HSL	209, 15.2, 29.6	hsl(209, 15.2%, 29.6%)
HSV	209, 26.4, 34.1	color(--hsv, 209, 26.4%, 34.1%)
HWB	209, 25.1, 65.9	hwb(209, 25.1%, 65.9%)
Lab	31.6, -2.82, -8.21	lab(31.6%, -2.82, -8.21)
P3	0.260, 0.297, 0.337	color(display-p3, 0.26, 0.297, 0.337)
XYZ D50	0.0638, 0.0690, 0.0758	color(xyz-d50, 0.064, 0.069, 0.076)