Tenebrous Basalt toward the Decaying

#172a4a RGB(23,42,74)

About this color

Tenebrous Basalt toward the Decaying is a dark blue with a vivid character, positioned at #172a4a on the color spectrum.

#172a4aRGB(23, 42, 74)

HSL 218° · 53% saturation · 19% lightness

🧠

Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

🏛️

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.

✏️

Design use

From a design perspective, this shade excels 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.

🎭

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.

⚖️ Contrast checker👁 Colour blindness🌈 Gradient🎨 Colour mixer

Color Categories

Color formats

Name
Tenebrous Basalt toward the Decaying
HEX
#172a4a
RGB
rgb(23,42,74)
RGB%
rgb(9%,16.5%,29%)
HSL
hsl(218,53%,19%)
HSV
hsv(218,69%,29%)
CMYK
cmyk(69,43,0,71)
LAB
lab(17,4,-22)
LCH
lch(17,22,280)
sRGB
(0.09,0.165,0.29)
HEX8
#172a4aff
CSS Name
Decimal
023042074

Similar colors

Color variants

Color info

Lightness
19%
Saturation
53%
Hue
218°
Chroma
22
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

Share