#424753 - Midnight Sky color

This deep, muted slate leans toward a cool blue-gray with a subtle green undertone, producing a stormy, maritime feel. It reads as sophisticated and restrained—closer to charcoal than true navy—making it an excellent neutral base for modern interiors, graphic backgrounds, or apparel. The color pairs beautifully with warm ochres, soft blushes, or bright coral for contrast, and complements polished metals and natural woods. Its low saturation lends calm, stability, and an understated, urban elegance.

#424753 color RGB value is 66, 71, 83, and the CMYK value is 0.205, 0.145, 0.00, 0.675. Alternative names for that color are: midnight sky, gray, darkslategray, mako, outer space, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	66, 71, 83	rgb(66, 71, 83)
CMYK	0.205, 0.145, 0.00, 0.675	-
sRGB	0.259, 0.278, 0.325	rgb(25.9%, 27.8%, 32.5%)
Adobe® 98 RGB compatible	0.272, 0.285, 0.327	color(a98-rgb, 0.272, 0.285, 0.327)
HCT	265, 11.4, 30.1	color(--hct, 265, 7.89%, 30.1%)
HSL	222, 11.4, 29.2	hsl(222, 11.4%, 29.2%)
HSV	222, 20.5, 32.5	color(--hsv, 222, 20.5%, 32.5%)
HWB	222, 25.9, 67.5	hwb(222, 25.9%, 67.5%)
Lab	30.0, 0.108, -7.92	lab(30%, 0.108, -7.92)
P3	0.262, 0.278, 0.321	color(display-p3, 0.262, 0.278, 0.321)
XYZ D50	0.0604, 0.0625, 0.0686	color(xyz-d50, 0.06, 0.063, 0.069)