#373c4f - Carbon Blue color

Deep and muted, this shade reads as a smoky indigo leaning toward slate-gray, evoking a moonlit navy brushed with charcoal. It feels cool, restrained, and sophisticated—subtle enough for large backgrounds yet rich enough to function as an accent that grounds a palette. It pairs beautifully with warm metallics like copper or brass and with soft neutrals for contrast. Use it to convey professionalism, urbanity, and quiet confidence in interfaces, interiors, and apparel.

color #373c4f

#373c4f color RGB value is 55, 60, 79, and the CMYK value is 0.304, 0.241, 0.00, 0.690. Alternative names for that color are: carbon blue, black, darkslategray, bright gray, outer space, indigo, darkslategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
55, 60, 79
rgb(55, 60, 79)
CMYK
0.304, 0.241, 0.00, 0.690
-
sRGB
0.216, 0.235, 0.310
rgb(21.6%, 23.5%, 31%)
Adobe® 98 RGB compatible
0.232, 0.245, 0.311
color(a98-rgb, 0.232, 0.245, 0.311)
HCT
273, 16.3, 25.6
color(--hct, 273, 11.2%, 25.6%)
HSL
228, 17.9, 26.3
hsl(228, 17.9%, 26.3%)
HSV
228, 30.4, 31.0
color(--hsv, 228, 30.4%, 31%)
HWB
228, 21.6, 69.0
hwb(228, 21.6%, 69%)
Lab
25.5, 1.67, -12.4
lab(25.5%, 1.67, -12.4)
P3
0.219, 0.235, 0.304
color(display-p3, 0.219, 0.235, 0.304)
XYZ D50
0.0453, 0.0456, 0.0608
color(xyz-d50, 0.045, 0.046, 0.061)

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