When the Wild Arch across Cooling

#3a5378 RGB(58,83,120)

About this color

When the Wild Arch across Cooling settles into a medium-dark blue territory with a moderate quality that feels cool — captured at #3a5378, RGB(58, 83, 120).

#3a5378RGB(58, 83, 120)

HSL 216° · 35% 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 the Wild Arch across Cooling
HEX
#3a5378
RGB
rgb(58,83,120)
RGB%
rgb(22.7%,32.5%,47.1%)
HSL
hsl(216,35%,35%)
HSV
hsv(216,52%,47%)
CMYK
cmyk(52,31,0,53)
LAB
lab(35,2,-24)
LCH
lch(35,24,275)
sRGB
(0.227,0.325,0.471)
HEX8
#3a5378ff
CSS Name
Decimal
058083120

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Color variants

Color info

Lightness
35%
Saturation
35%
Hue
216°
Chroma
24
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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