The Dead Basalt until Decaying

#283b4b RGB(40,59,75)

About this color

The Dead Basalt until Decaying reads as dark and moderate — a blue tone recorded at #283b4b, RGB(40, 59, 75).

#283b4bRGB(40, 59, 75)

HSL 207° · 30% saturation · 23% lightness

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Psychology

Dark blues project authority, depth and reliability — the colour of deep water, the night sky, and tailored suits.

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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

In practical terms, a dark blue like this works well 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

In terms of colour combinations, complement this blue with amber and warm orange for high-contrast energy, or stay within blue-green and violet neighbours for a serene, cohesive feel.

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Color Categories

Color formats

Name
The Dead Basalt until Decaying
HEX
#283b4b
RGB
rgb(40,59,75)
RGB%
rgb(15.7%,23.1%,29.4%)
HSL
hsl(207,30%,23%)
HSV
hsv(207,47%,29%)
CMYK
cmyk(47,21,0,71)
LAB
lab(24,-3,-12)
LCH
lch(24,12,256)
sRGB
(0.157,0.231,0.294)
HEX8
#283b4bff
CSS Name
Decimal
040059075

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Color variants

Color info

Lightness
23%
Saturation
30%
Hue
207°
Chroma
12
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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