Equable Atoll by Casting

#183c96 RGB(24,60,150)

About this color

Equable Atoll by Casting is a dark blue with a vivid character, positioned at #183c96 on the color spectrum.

#183c96RGB(24, 60, 150)

HSL 223° · 72% 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

In Japanese aesthetics, blue — particularly indigo — has been a central colour for centuries: the slow-dyed textiles of Tokushima remain prized for their depth and permanence.

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Design use

From a design perspective, this shade excels as a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

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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
Equable Atoll by Casting
HEX
#183c96
RGB
rgb(24,60,150)
RGB%
rgb(9.4%,23.5%,58.8%)
HSL
hsl(223,72%,34%)
HSV
hsv(223,84%,59%)
CMYK
cmyk(84,60,0,41)
LAB
lab(28,23,-53)
LCH
lch(28,58,293)
sRGB
(0.094,0.235,0.588)
HEX8
#183c96ff
CSS Name
Decimal
024060150

Similar colors

Color variants

Color info

Lightness
34%
Saturation
72%
Hue
223°
Chroma
58
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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