#15151c - Absence of Light color

A profoundly dark charcoal with a cool, bluish-purple undertone, this near-black shade reads as inky midnight. It feels slate-like and subtly indigo, lending depth without appearing flat. The color is moody and sophisticated—ideal for minimalist interiors, dramatic accents, or modern graphic backgrounds where richness is desired without high contrast. It harmonizes well with metallics and soft neutrals, creating an atmosphere that’s simultaneously grounding, elegant, and quietly mysterious.

#15151c color RGB value is 21, 21, 28, and the CMYK value is 0.250, 0.250, 0.00, 0.890. Alternative names for that color are: absence of light, black, bunker, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	21, 21, 28	rgb(21, 21, 28)
CMYK	0.250, 0.250, 0.00, 0.890	-
sRGB	0.0824, 0.0824, 0.110	rgb(8.24%, 8.24%, 11%)
Adobe® 98 RGB compatible	0.108, 0.108, 0.131	color(a98-rgb, 0.108, 0.108, 0.131)
HCT	284, 7.48, 7.04	color(--hct, 284, 5.16%, 7.04%)
HSL	240, 14.3, 9.61	hsl(240, 14.3%, 9.61%)
HSV	240, 25.0, 11.0	color(--hsv, 240, 25%, 11%)
HWB	240, 8.24, 89.0	hwb(240, 8.24%, 89%)
Lab	7.00, 1.41, -4.91	lab(7%, 1.41, -4.91)
P3	0.0824, 0.0824, 0.108	color(display-p3, 0.082, 0.082, 0.108)
XYZ D50	0.00782, 0.00775, 0.00912	color(xyz-d50, 0.008, 0.008, 0.009)