Lean Brook without Delineating

#5a6f8c RGB(90,111,140)

About this color

Lean Brook without Delineating occupies the medium-dark, muted end of the blue spectrum, defined by its coordinates #5a6f8c — RGB(90, 111, 140).

#5a6f8cRGB(90, 111, 140)

HSL 215° · 22% saturation · 45% 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
Lean Brook without Delineating
HEX
#5a6f8c
RGB
rgb(90,111,140)
RGB%
rgb(35.3%,43.5%,54.9%)
HSL
hsl(215,22%,45%)
HSV
hsv(215,36%,55%)
CMYK
cmyk(36,21,0,45)
LAB
lab(46,0,-18)
LCH
lch(46,18,270)
sRGB
(0.353,0.435,0.549)
HEX8
#5a6f8cff
CSS Name
Decimal
090111140

Similar colors

Color variants

Color info

Lightness
45%
Saturation
22%
Hue
215°
Chroma
18
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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