Certain Atoll opposite the Casting

#28558a RGB(40,85,138)

About this color

Certain Atoll opposite the Casting is a vivid, medium-dark blue tone, fixed at #28558a in the RGB color space.

#28558aRGB(40, 85, 138)

HSL 212° · 55% 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

As a dark tone, it naturally lends itself to 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

For palette building, 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
Certain Atoll opposite the Casting
HEX
#28558a
RGB
rgb(40,85,138)
RGB%
rgb(15.7%,33.3%,54.1%)
HSL
hsl(212,55%,35%)
HSV
hsv(212,71%,54%)
CMYK
cmyk(71,38,0,46)
LAB
lab(36,3,-34)
LCH
lch(36,34,275)
sRGB
(0.157,0.333,0.541)
HEX8
#28558aff
CSS Name
Decimal
040085138

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Color variants

Color info

Lightness
35%
Saturation
55%
Hue
212°
Chroma
34
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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