Practical Brook out the Cradling

#3f87aa RGB(63,135,170)

About this color

Practical Brook out the Cradling occupies the medium-dark, moderate end of the blue spectrum, defined by its coordinates #3f87aa — RGB(63, 135, 170).

#3f87aaRGB(63, 135, 170)

HSL 200° · 46% saturation · 46% lightness

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Psychology

Blue at medium lightness is the colour of trust and communication — widely associated with stability, focus, and honesty.

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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

This shade sits in a versatile middle ground — useful as brand accents, data visualisation series, and illustrative elements. Its middle lightness gives it presence on both white and dark backgrounds.

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Colour pairings

When it comes to colour harmony, complement this blue with amber and warm orange for high-contrast energy, or stay within blue-green and violet neighbours for a serene, cohesive feel.

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Color Categories

Color formats

Name
Practical Brook out the Cradling
HEX
#3f87aa
RGB
rgb(63,135,170)
RGB%
rgb(24.7%,52.9%,66.7%)
HSL
hsl(200,46%,46%)
HSV
hsv(200,63%,67%)
CMYK
cmyk(63,21,0,33)
LAB
lab(53,-12,-25)
LCH
lch(53,28,244)
sRGB
(0.247,0.529,0.667)
HEX8
#3f87aaff
CSS Name
Decimal
063135170

Similar colors

Color variants

Color info

Lightness
46%
Saturation
46%
Hue
200°
Chroma
28
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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