When Autumnal Bluff with Seeding

#1b5983 RGB(27,89,131)

About this color

When Autumnal Bluff with Seeding is a vivid, dark blue tone, fixed at #1b5983 in the RGB color space.

#1b5983RGB(27, 89, 131)

HSL 204° · 66% saturation · 31% 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
When Autumnal Bluff with Seeding
HEX
#1b5983
RGB
rgb(27,89,131)
RGB%
rgb(10.6%,34.9%,51.4%)
HSL
hsl(204,66%,31%)
HSV
hsv(204,79%,51%)
CMYK
cmyk(79,32,0,49)
LAB
lab(36,-4,-29)
LCH
lch(36,29,262)
sRGB
(0.106,0.349,0.514)
HEX8
#1b5983ff
CSS Name
Decimal
027089131

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Color variants

Color info

Lightness
31%
Saturation
66%
Hue
204°
Chroma
29
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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