When Neutral Brook toward Rooting

#155b9e RGB(21,91,158)

About this color

When Neutral Brook toward Rooting settles into a medium-dark blue territory with a intense quality that feels cool — captured at #155b9e, RGB(21, 91, 158).

#155b9eRGB(21, 91, 158)

HSL 209° · 77% saturation · 35% lightness

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Psychology

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

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History

The ancient Egyptians were among the first to produce blue pigment artificially — Egyptian blue, made from copper and sand, coloured the walls of pharaonic tombs.

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Design use

From a design perspective, this shade excels as a background for light-coloured text, as a deep accent stripe, or as an anchoring tone in dark-mode interfaces. It pairs naturally with off-whites, warm creams, and metallic highlights.

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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
When Neutral Brook toward Rooting
HEX
#155b9e
RGB
rgb(21,91,158)
RGB%
rgb(8.2%,35.7%,62%)
HSL
hsl(209,77%,35%)
HSV
hsv(209,87%,62%)
CMYK
cmyk(87,42,0,38)
LAB
lab(38,5,-42)
LCH
lch(38,42,277)
sRGB
(0.082,0.357,0.62)
HEX8
#155b9eff
CSS Name
Decimal
021091158

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Color variants

Color info

Lightness
35%
Saturation
77%
Hue
209°
Chroma
42
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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