The Brook into Earthen Lining

#63a3cd RGB(99,163,205)

About this color

The Brook into Earthen Lining is a vivid, medium blue tone, fixed at #63a3cd in the RGB color space.

#63a3cdRGB(99, 163, 205)

HSL 204° · 51% saturation · 60% 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

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

Practically, this medium blue is comfortable as brand accents, data visualisation series, and illustrative elements. Its middle lightness gives it presence on both white and dark backgrounds.

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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
The Brook into Earthen Lining
HEX
#63a3cd
RGB
rgb(99,163,205)
RGB%
rgb(38.8%,63.9%,80.4%)
HSL
hsl(204,51%,60%)
HSV
hsv(204,52%,80%)
CMYK
cmyk(52,20,0,20)
LAB
lab(64,-9,-28)
LCH
lch(64,29,252)
sRGB
(0.388,0.639,0.804)
HEX8
#63a3cdff
CSS Name
Decimal
099163205

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Color variants

Color info

Lightness
60%
Saturation
51%
Hue
204°
Chroma
29
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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