The Nuanced Brook atop Weaving

#1b3fab RGB(27,63,171)

About this color

The Nuanced Brook atop Weaving is a medium-dark blue with a vivid character, positioned at #1b3fab on the color spectrum.

#1b3fabRGB(27, 63, 171)

HSL 225° · 73% saturation · 39% 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 Nuanced Brook atop Weaving
HEX
#1b3fab
RGB
rgb(27,63,171)
RGB%
rgb(10.6%,24.7%,67.1%)
HSL
hsl(225,73%,39%)
HSV
hsv(225,84%,67%)
CMYK
cmyk(84,63,0,33)
LAB
lab(31,29,-61)
LCH
lch(31,68,295)
sRGB
(0.106,0.247,0.671)
HEX8
#1b3fabff
CSS Name
Decimal
027063171

Similar colors

Color variants

Color info

Lightness
39%
Saturation
73%
Hue
225°
Chroma
68
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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