The Stormy Basalt without Tarnishing

#17183b RGB(23,24,59)

About this color

The Stormy Basalt without Tarnishing settles into a dark blue territory with a moderate quality that feels cool — captured at #17183b, RGB(23, 24, 59).

#17183bRGB(23, 24, 59)

HSL 238° · 44% saturation · 16% 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 Stormy Basalt without Tarnishing
HEX
#17183b
RGB
rgb(23,24,59)
RGB%
rgb(9%,9.4%,23.1%)
HSL
hsl(238,44%,16%)
HSV
hsv(238,61%,23%)
CMYK
cmyk(61,59,0,77)
LAB
lab(10,12,-23)
LCH
lch(10,26,298)
sRGB
(0.09,0.094,0.231)
HEX8
#17183bff
CSS Name
Decimal
023024059

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Color variants

Color info

Lightness
16%
Saturation
44%
Hue
238°
Chroma
26
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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