The Basalt upon Umbral Collapsing

#643d2d RGB(100,61,45)

About this color

The Basalt upon Umbral Collapsing occupies the dark, moderate end of the orange spectrum, defined by its coordinates #643d2d — RGB(100, 61, 45).

#643d2dRGB(100, 61, 45)

HSL 17° · 38% saturation · 28% lightness

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Psychology

Dark oranges recall autumn leaves, aged wood, and the glow of embers — earthy, grounded, hospitable.

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History

Orange as a distinct colour concept arrived in European languages relatively late — named after the fruit rather than the other way around.

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Design use

Practically speaking, this deep orange is most at home as a grounding element in print design — covers, footers, section dividers. On screen it suits dashboards and interfaces where a serious tone matters.

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Colour pairings

When it comes to colour harmony, pair this orange with deep teal for bold contrast, or with warm sand and burnt umber for a palette that feels natural and grounded.

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Color Categories

Color formats

Name
The Basalt upon Umbral Collapsing
HEX
#643d2d
RGB
rgb(100,61,45)
RGB%
rgb(39.2%,23.9%,17.6%)
HSL
hsl(17,38%,28%)
HSV
hsv(17,55%,39%)
CMYK
cmyk(0,39,55,61)
LAB
lab(30,15,17)
LCH
lch(30,23,49)
sRGB
(0.392,0.239,0.176)
HEX8
#643d2dff
CSS Name
Decimal
100061045

Similar colors

Color variants

Color info

Lightness
28%
Saturation
38%
Hue
17°
Chroma
23
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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