Thoughtful Brook between Building

#3f4c6c RGB(63,76,108)

About this color

Thoughtful Brook between Building settles into a dark blue territory with a moderate quality that feels cool — captured at #3f4c6c, RGB(63, 76, 108).

#3f4c6cRGB(63, 76, 108)

HSL 223° · 26% saturation · 34% lightness

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Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

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History

Blue has been among the most valued pigments throughout history — ultramarine, ground from lapis lazuli, was once worth more than gold and reserved for the robes of the Virgin Mary in medieval painting.

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Design use

From a design perspective, this shade excels as a grounding element in print design — covers, footers, section dividers. On screen it suits dashboards and interfaces where a serious tone matters.

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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
Thoughtful Brook between Building
HEX
#3f4c6c
RGB
rgb(63,76,108)
RGB%
rgb(24.7%,29.8%,42.4%)
HSL
hsl(223,26%,34%)
HSV
hsv(223,42%,42%)
CMYK
cmyk(42,30,0,58)
LAB
lab(32,4,-20)
LCH
lch(32,20,281)
sRGB
(0.247,0.298,0.424)
HEX8
#3f4c6cff
CSS Name
Decimal
063076108

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Color variants

Color info

Lightness
34%
Saturation
26%
Hue
223°
Chroma
20
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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