Gentle Brook up the Opening

#151091 RGB(21,16,145)

About this color

Gentle Brook up the Opening is a dark blue with a intense character, positioned at #151091 on the color spectrum.

#151091RGB(21, 16, 145)

HSL 242° · 80% saturation · 32% 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
Gentle Brook up the Opening
HEX
#151091
RGB
rgb(21,16,145)
RGB%
rgb(8.2%,6.3%,56.9%)
HSL
hsl(242,80%,32%)
HSV
hsv(242,89%,57%)
CMYK
cmyk(86,89,0,43)
LAB
lab(18,47,-67)
LCH
lch(18,82,305)
sRGB
(0.082,0.063,0.569)
HEX8
#151091ff
CSS Name
Decimal
021016145

Similar colors

Color variants

Color info

Lightness
32%
Saturation
80%
Hue
242°
Chroma
82
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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