Sepulchral Cavern over the Decaying

#0a2851 RGB(10,40,81)

About this color

Sepulchral Cavern over the Decaying settles into a dark blue territory with a intense quality that feels cool — captured at #0a2851, RGB(10, 40, 81).

#0a2851RGB(10, 40, 81)

HSL 215° · 78% saturation · 18% lightness

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Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

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History

The ancient Egyptians were among the first to produce blue pigment artificially — Egyptian blue, made from copper and sand, coloured the walls of pharaonic tombs.

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Design use

From a design perspective, this shade excels as a background for light-coloured text, as a deep accent stripe, or as an anchoring tone in dark-mode interfaces. It pairs naturally with off-whites, warm creams, and metallic highlights.

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Colour pairings

Looking at colour relationships, this blue pairs naturally with warm neutrals — tawny beiges, soft terracottas, aged brass — which amplify its cool character by contrast. Analogous blue-violets and blue-greens give a more cohesive, tonal result.

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Color Categories

Color formats

Name
Sepulchral Cavern over the Decaying
HEX
#0a2851
RGB
rgb(10,40,81)
RGB%
rgb(3.9%,15.7%,31.8%)
HSL
hsl(215,78%,18%)
HSV
hsv(215,88%,32%)
CMYK
cmyk(88,51,0,68)
LAB
lab(16,6,-28)
LCH
lch(16,29,282)
sRGB
(0.039,0.157,0.318)
HEX8
#0a2851ff
CSS Name
Decimal
010040081

Similar colors

Color variants

Color info

Lightness
18%
Saturation
78%
Hue
215°
Chroma
29
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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