#303543 - Total Eclipse color

A deep, muted slate-blue leaning charcoal with pronounced cool undertones. It reads as an elegant, stormy navy-gray—subdued rather than saturated—conjuring twilight skies, industrial steel, and modern minimalism. The tone feels calm, composed, and slightly somber, making it ideal for sophisticated interfaces, branding, or backgrounds that require restraint. It pairs beautifully with warm accents like brass or terracotta and with soft creams and pale blues to provide contrast without losing its understated, professional presence.

#303543 color RGB value is 48, 53, 67, and the CMYK value is 0.284, 0.209, 0.00, 0.737. Alternative names for that color are: total eclipse, black, darkslategray, tuna, outer space, indigo, darkslategrey.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	48, 53, 67	rgb(48, 53, 67)
CMYK	0.284, 0.209, 0.00, 0.737	-
sRGB	0.188, 0.208, 0.263	rgb(18.8%, 20.8%, 26.3%)
Adobe® 98 RGB compatible	0.207, 0.219, 0.268	color(a98-rgb, 0.207, 0.219, 0.268)
HCT	269, 13.2, 22.2	color(--hct, 269, 9.08%, 22.2%)
HSL	224, 16.5, 22.5	hsl(224, 16.5%, 22.5%)
HSV	224, 28.4, 26.3	color(--hsv, 224, 28.4%, 26.3%)
HWB	224, 18.8, 73.7	hwb(224, 18.8%, 73.7%)
Lab	22.1, 0.635, -9.52	lab(22.1%, 0.635, -9.52)
P3	0.192, 0.207, 0.258	color(display-p3, 0.192, 0.207, 0.258)
XYZ D50	0.0346, 0.0355, 0.0439	color(xyz-d50, 0.035, 0.036, 0.044)