The Sinister Boulder atop Writhing

#28354b RGB(40,53,75)

About this color

The Sinister Boulder atop Writhing settles into a dark blue territory with a moderate quality that feels cool — captured at #28354b, RGB(40, 53, 75).

#28354bRGB(40, 53, 75)

HSL 218° · 30% saturation · 23% lightness

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Psychology

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

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History

In Japanese aesthetics, blue — particularly indigo — has been a central colour for centuries: the slow-dyed textiles of Tokushima remain prized for their depth and permanence.

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Design use

From a design perspective, this shade excels as a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

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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
The Sinister Boulder atop Writhing
HEX
#28354b
RGB
rgb(40,53,75)
RGB%
rgb(15.7%,20.8%,29.4%)
HSL
hsl(218,30%,23%)
HSV
hsv(218,47%,29%)
CMYK
cmyk(47,29,0,71)
LAB
lab(22,1,-15)
LCH
lch(22,15,274)
sRGB
(0.157,0.208,0.294)
HEX8
#28354bff
CSS Name
Decimal
040053075

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Color variants

Color info

Lightness
23%
Saturation
30%
Hue
218°
Chroma
15
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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