Airless Boulder round the Sinking

#042861 RGB(4,40,97)

About this color

Airless Boulder round the Sinking settles into a dark blue territory with a intense quality that feels cool — captured at #042861, RGB(4, 40, 97).

#042861RGB(4, 40, 97)

HSL 217° · 92% saturation · 20% 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
Airless Boulder round the Sinking
HEX
#042861
RGB
rgb(4,40,97)
RGB%
rgb(1.6%,15.7%,38%)
HSL
hsl(217,92%,20%)
HSV
hsv(217,96%,38%)
CMYK
cmyk(96,59,0,62)
LAB
lab(17,13,-37)
LCH
lch(17,39,289)
sRGB
(0.016,0.157,0.38)
HEX8
#042861ff
CSS Name
Decimal
004040097

Similar colors

Color variants

Color info

Lightness
20%
Saturation
92%
Hue
217°
Chroma
39
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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