#303b4c - Dark Spell color

A rich, muted slate-blue with deep charcoal undertones, evoking stormy seas and polished industrial steel. Cool and restrained, it reads as sophisticated and calming rather than bright or vibrant. Ideal for backgrounds, cabinetry, and menswear, it pairs beautifully with warm metallics like brass or copper, soft creams, and pale blushes to lift its depth. Its subtle teal hint gives it modernity, making it versatile for both classic and contemporary palettes seeking quiet elegance.

color #303b4c

#303b4c color RGB value is 48, 59, 76, and the CMYK value is 0.368, 0.224, 0.00, 0.702. Alternative names for that color are: dark spell, black, darkslategray, bright gray, outer space, indigo, darkslategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
48, 59, 76
rgb(48, 59, 76)
CMYK
0.368, 0.224, 0.00, 0.702
-
sRGB
0.188, 0.231, 0.298
rgb(18.8% 23.1% 29.8%)
Adobe® 98 RGB compatible
0.214, 0.241, 0.301
color(a98-rgb 0.214 0.241 0.301)
HCT
259, 16.5, 24.6
color(--hct 259 11.4% 24.6%)
HSL
216, 22.6, 24.3
hsl(216 22.6% 24.3%)
HSV
216, 36.8, 29.8
color(--hsv 216 36.8% 29.8%)
HWB
216, 18.8, 70.2
hwb(216 18.8% 70.2%)
Lab
24.4, -1.04, -12.0
lab(24.4 -1.04 -12)
P3
0.197, 0.230, 0.292
color(display-p3 0.197 0.23 0.292)
XYZ D50
0.0401, 0.0423, 0.0563
color(xyz-d50 0.04 0.042 0.056)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#303b4c
RGB:48 59 76
HSL:216.43deg 22.58% 24.31%
HEX:#4c4130
RGB:76 65 48
HSL:36.43deg 22.58% 24.31%

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