Darkened Cave without the Plaguing

#133771 RGB(19,55,113)

About this color

Darkened Cave without the Plaguing is a dark blue with a vivid character, positioned at #133771 on the color spectrum.

#133771RGB(19, 55, 113)

HSL 217° · 71% saturation · 26% 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
Darkened Cave without the Plaguing
HEX
#133771
RGB
rgb(19,55,113)
RGB%
rgb(7.5%,21.6%,44.3%)
HSL
hsl(217,71%,26%)
HSV
hsv(217,83%,44%)
CMYK
cmyk(83,51,0,56)
LAB
lab(24,11,-37)
LCH
lch(24,39,287)
sRGB
(0.075,0.216,0.443)
HEX8
#133771ff
CSS Name
Decimal
019055113

Similar colors

Color variants

Color info

Lightness
26%
Saturation
71%
Hue
217°
Chroma
39
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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