Ample Brook underneath the Joining

#313f71 RGB(49,63,113)

About this color

Ample Brook underneath the Joining settles into a dark blue territory with a moderate quality that feels cool — captured at #313f71, RGB(49, 63, 113).

#313f71RGB(49, 63, 113)

HSL 227° · 40% 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
Ample Brook underneath the Joining
HEX
#313f71
RGB
rgb(49,63,113)
RGB%
rgb(19.2%,24.7%,44.3%)
HSL
hsl(227,40%,32%)
HSV
hsv(227,57%,44%)
CMYK
cmyk(57,44,0,56)
LAB
lab(28,10,-31)
LCH
lch(28,33,288)
sRGB
(0.192,0.247,0.443)
HEX8
#313f71ff
CSS Name
Decimal
049063113

Similar colors

Color variants

Color info

Lightness
32%
Saturation
40%
Hue
227°
Chroma
33
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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