Imperturbable Atoll circa Centering

#63829c RGB(99,130,156)

About this color

Imperturbable Atoll circa Centering settles into a medium blue territory with a muted quality that feels cool — captured at #63829c, RGB(99, 130, 156).

#63829cRGB(99, 130, 156)

HSL 207° · 22% saturation · 50% 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
Imperturbable Atoll circa Centering
HEX
#63829c
RGB
rgb(99,130,156)
RGB%
rgb(38.8%,51%,61.2%)
HSL
hsl(207,22%,50%)
HSV
hsv(207,37%,61%)
CMYK
cmyk(37,17,0,39)
LAB
lab(53,-4,-17)
LCH
lch(53,17,257)
sRGB
(0.388,0.51,0.612)
HEX8
#63829cff
CSS Name
Decimal
099130156

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Color variants

Color info

Lightness
50%
Saturation
22%
Hue
207°
Chroma
17
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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