#415064 - December Eve color

This deep, muted indigo-gray reads as a sophisticated slate with violet undertones. Cool and smoky, it evokes late-evening skies and polished urban interiors. It brings a composed, contemplative mood—refined rather than dramatic—making it excellent for elegant branding, exterior trim, or cozy accent walls. Pair with warm brass, soft blush, creamy ivory, or moss green to lift its depth; combine with pale neutrals for restraint or richer jewel tones for a luxurious, layered palette.

#415064 color RGB value is 65, 80, 100, and the CMYK value is 0.350, 0.200, 0.00, 0.608. Alternative names for that color are: december eve, gray, darkslategray, fiord, outer space, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	65, 80, 100	rgb(65, 80, 100)
CMYK	0.350, 0.200, 0.00, 0.608	-
sRGB	0.255, 0.314, 0.392	rgb(25.5%, 31.4%, 39.2%)
Adobe® 98 RGB compatible	0.280, 0.318, 0.389	color(a98-rgb, 0.28, 0.318, 0.389)
HCT	255, 18.8, 33.5	color(--hct, 255, 13%, 33.5%)
HSL	214, 21.2, 32.4	hsl(214, 21.2%, 32.4%)
HSV	214, 35.0, 39.2	color(--hsv, 214, 35%, 39.2%)
HWB	214, 25.5, 60.8	hwb(214, 25.5%, 60.8%)
Lab	33.3, -1.99, -13.7	lab(33.3%, -1.99, -13.7)
P3	0.266, 0.312, 0.385	color(display-p3, 0.266, 0.312, 0.385)
XYZ D50	0.0722, 0.0770, 0.0995	color(xyz-d50, 0.072, 0.077, 0.1)