Lightless Boulder behind Failing

#1b213c RGB(27,33,60)

About this color

Lightless Boulder behind Failing is a dark blue with a moderate character, positioned at #1b213c on the color spectrum.

#1b213cRGB(27, 33, 60)

HSL 229° · 38% saturation · 17% 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
Lightless Boulder behind Failing
HEX
#1b213c
RGB
rgb(27,33,60)
RGB%
rgb(10.6%,12.9%,23.5%)
HSL
hsl(229,38%,17%)
HSV
hsv(229,55%,24%)
CMYK
cmyk(55,45,0,76)
LAB
lab(14,6,-18)
LCH
lch(14,19,288)
sRGB
(0.106,0.129,0.235)
HEX8
#1b213cff
CSS Name
Decimal
027033060

Similar colors

Color variants

Color info

Lightness
17%
Saturation
38%
Hue
229°
Chroma
19
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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