The Ragged Boulder up Gloaming

#001590 RGB(0,21,144)

About this color

The Ragged Boulder up Gloaming is a dark blue with a intense character, positioned at #001590 on the color spectrum.

#001590RGB(0, 21, 144)

HSL 231° · 100% saturation · 28% 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 Ragged Boulder up Gloaming
HEX
#001590
RGB
rgb(0,21,144)
RGB%
rgb(0%,8.2%,56.5%)
HSL
hsl(231,100%,28%)
HSV
hsv(231,100%,56%)
CMYK
cmyk(100,85,0,44)
LAB
lab(18,44,-66)
LCH
lch(18,79,304)
sRGB
(0,0.082,0.565)
HEX8
#001590ff
CSS Name
Decimal
000021144

Similar colors

Color variants

Color info

Lightness
28%
Saturation
100%
Hue
231°
Chroma
79
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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