The Dependable Brook beneath Forming

#3f6db0 RGB(63,109,176)

About this color

The Dependable Brook beneath Forming settles into a medium-dark blue territory with a moderate quality that feels cool — captured at #3f6db0, RGB(63, 109, 176).

#3f6db0RGB(63, 109, 176)

HSL 216° · 47% saturation · 47% lightness

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Psychology

Mid blue dominates corporate and tech branding precisely because it reads as dependable without being cold.

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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

In design terms, a mid-toned blue like this handles interactive elements, tags, badges, and highlight states. It has enough saturation to register clearly without straining extended-reading contexts.

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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
The Dependable Brook beneath Forming
HEX
#3f6db0
RGB
rgb(63,109,176)
RGB%
rgb(24.7%,42.7%,69%)
HSL
hsl(216,47%,47%)
HSV
hsv(216,64%,69%)
CMYK
cmyk(64,38,0,31)
LAB
lab(46,6,-40)
LCH
lch(46,40,279)
sRGB
(0.247,0.427,0.69)
HEX8
#3f6db0ff
CSS Name
Decimal
063109176

Similar colors

Color variants

Color info

Lightness
47%
Saturation
47%
Hue
216°
Chroma
40
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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