#304e63 - Sovereignty color

That deep slate-teal blends blue and green with gray undertones, producing a cool, muted navy-teal hue that feels calm and composed. It evokes stormy coastal waters, weathered metal, and sophisticated maritime interiors. The color reads as mature and stable—professional yet approachable—working well for corporate branding, websites, and interiors seeking a grounded, contemporary mood. Pair it with warm neutrals like tan and cream, soft coral or mustard accents, or pale grays for contrast and visual balance.

color #304e63

#304e63 color RGB value is 48, 78, 99, and the CMYK value is 0.515, 0.212, 0.00, 0.612. Alternative names for that color are: sovereignty, gray, darkslategray, pickled bluewood, outer space, indigo, darkslategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
48, 78, 99
rgb(48, 78, 99)
CMYK
0.515, 0.212, 0.00, 0.612
-
sRGB
0.188, 0.306, 0.388
rgb(18.8% 30.6% 38.8%)
Adobe® 98 RGB compatible
0.239, 0.310, 0.385
color(a98-rgb 0.239 0.31 0.385)
HCT
241, 23.5, 31.8
color(--hct 241 16.2% 31.8%)
HSL
205, 34.7, 28.8
hsl(205 34.7% 28.8%)
HSV
205, 51.5, 38.8
color(--hsv 205 51.5% 38.8%)
HWB
205, 18.8, 61.2
hwb(205 18.8% 61.2%)
Lab
31.5, -6.61, -16.0
lab(31.5 -6.61 -16)
P3
0.215, 0.303, 0.381
color(display-p3 0.215 0.303 0.381)
XYZ D50
0.0601, 0.0688, 0.0969
color(xyz-d50 0.06 0.069 0.097)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#304e63
RGB:48 78 99
HSL:204.71deg 34.69% 28.82%
HEX:#634530
RGB:99 69 48
HSL:24.71deg 34.69% 28.82%

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