Heartsick Basalt for Extinguishing

#17172c RGB(23,23,44)

About this color

Heartsick Basalt for Extinguishing is a moderate, deep blue tone, fixed at #17172c in the RGB color space.

#17172cRGB(23, 23, 44)

HSL 240° · 31% saturation · 13% 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

As a dark tone, it naturally lends itself to 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

For palette building, 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
Heartsick Basalt for Extinguishing
HEX
#17172c
RGB
rgb(23,23,44)
RGB%
rgb(9%,9%,17.3%)
HSL
hsl(240,31%,13%)
HSV
hsv(240,48%,17%)
CMYK
cmyk(48,48,0,83)
LAB
lab(9,7,-14)
LCH
lch(9,16,297)
sRGB
(0.09,0.09,0.173)
HEX8
#17172cff
CSS Name
Decimal
023023044

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Color variants

Color info

Lightness
13%
Saturation
31%
Hue
240°
Chroma
16
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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