The Ghastly Basalt before Extinguishing

#173140 RGB(23,49,64)

About this color

The Ghastly Basalt before Extinguishing occupies the dark, moderate end of the blue spectrum, defined by its coordinates #173140 — RGB(23, 49, 64).

#173140RGB(23, 49, 64)

HSL 202° · 47% saturation · 17% 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

The ancient Egyptians were among the first to produce blue pigment artificially — Egyptian blue, made from copper and sand, coloured the walls of pharaonic tombs.

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Design use

Practically speaking, this deep blue is most at home as a background for light-coloured text, as a deep accent stripe, or as an anchoring tone in dark-mode interfaces. It pairs naturally with off-whites, warm creams, and metallic highlights.

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Colour pairings

When it comes to colour harmony, 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 Ghastly Basalt before Extinguishing
HEX
#173140
RGB
rgb(23,49,64)
RGB%
rgb(9%,19.2%,25.1%)
HSL
hsl(202,47%,17%)
HSV
hsv(202,64%,25%)
CMYK
cmyk(64,23,0,75)
LAB
lab(19,-5,-12)
LCH
lch(19,13,247)
sRGB
(0.09,0.192,0.251)
HEX8
#173140ff
CSS Name
Decimal
023049064

Similar colors

Color variants

Color info

Lightness
17%
Saturation
47%
Hue
202°
Chroma
13
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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