When Sunless Carbon Inside Sickening

#181b23 RGB(24,27,35)

About this color

When Sunless Carbon Inside Sickening is a deep blue with a muted character, positioned at #181b23 on the color spectrum.

#181b23RGB(24, 27, 35)

HSL 224° · 19% saturation · 12% 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
When Sunless Carbon Inside Sickening
HEX
#181b23
RGB
rgb(24,27,35)
RGB%
rgb(9.4%,10.6%,13.7%)
HSL
hsl(224,19%,12%)
HSV
hsv(224,31%,14%)
CMYK
cmyk(31,23,0,86)
LAB
lab(10,1,-6)
LCH
lch(10,6,279)
sRGB
(0.094,0.106,0.137)
HEX8
#181b23ff
CSS Name
Decimal
024027035

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Color variants

Color info

Lightness
12%
Saturation
19%
Hue
224°
Chroma
6
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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