#17184b - Tetsu-Kon Blue color

A saturated midnight indigo that leans toward an inky navy, this color feels cool, solemn, and quietly luxurious. In daylight it reveals bluish-violet undertones; in dimmer settings it becomes near-black, offering strong contrast and dramatic depth. It evokes twilight skies, polished lapis, and formal eveningwear, lending sophistication to branding, interiors, or fashion. Pair it with warm metallics like brass or copper, or soft neutrals to soften its intensity; used sparingly, it anchors palettes with refined, contemplative elegance.

#17184b color RGB value is 23, 24, 75, and the CMYK value is 0.693, 0.680, 0.00, 0.706. Alternative names for that color are: tetsu-kon blue, black, midnightblue, port gore, midnight blue, indigo.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	23, 24, 75	rgb(23, 24, 75)
CMYK	0.693, 0.680, 0.00, 0.706	-
sRGB	0.0902, 0.0941, 0.294	rgb(9.02%, 9.41%, 29.4%)
Adobe® 98 RGB compatible	0.116, 0.118, 0.294	color(a98-rgb, 0.116, 0.118, 0.294)
HCT	285, 34.5, 11.6	color(--hct, 285, 23.8%, 11.6%)
HSL	239, 53.1, 19.2	hsl(239, 53.1%, 19.2%)
HSV	239, 69.3, 29.4	color(--hsv, 239, 69.3%, 29.4%)
HWB	239, 9.02, 70.6	hwb(239, 9.02%, 70.6%)
Lab	11.1, 14.2, -32.5	lab(11.1%, 14.2, -32.5)
P3	0.0909, 0.0940, 0.283	color(display-p3, 0.091, 0.094, 0.283)
XYZ D50	0.0173, 0.0127, 0.0513	color(xyz-d50, 0.017, 0.013, 0.051)