The Char without Austere Eroding

#15151d RGB(21,21,29)

About this color

The Char without Austere Eroding is a deep blue with a muted character, positioned at #15151d on the color spectrum.

#15151dRGB(21, 21, 29)

HSL 240° · 16% saturation · 10% lightness

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Psychology

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

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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

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.

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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.

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Color Categories

Color formats

Name
The Char without Austere Eroding
HEX
#15151d
RGB
rgb(21,21,29)
RGB%
rgb(8.2%,8.2%,11.4%)
HSL
hsl(240,16%,10%)
HSV
hsv(240,28%,11%)
CMYK
cmyk(28,28,0,89)
LAB
lab(7,2,-6)
LCH
lch(7,6,288)
sRGB
(0.082,0.082,0.114)
HEX8
#15151dff
CSS Name
Decimal
021021029

Similar colors

Color variants

Color info

Lightness
10%
Saturation
16%
Hue
240°
Chroma
6
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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