Aching Cave under Clouding

#00428c RGB(0,66,140)

About this color

Aching Cave under Clouding is a dark blue with a intense character, positioned at #00428c on the color spectrum.

#00428cRGB(0, 66, 140)

HSL 212° · 100% saturation · 27% lightness

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Psychology

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

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History

Blue has been among the most valued pigments throughout history — ultramarine, ground from lapis lazuli, was once worth more than gold and reserved for the robes of the Virgin Mary in medieval painting.

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Design use

From a design perspective, this shade excels as a grounding element in print design — covers, footers, section dividers. On screen it suits dashboards and interfaces where a serious tone matters.

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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
Aching Cave under Clouding
HEX
#00428c
RGB
rgb(0,66,140)
RGB%
rgb(0%,25.9%,54.9%)
HSL
hsl(212,100%,27%)
HSV
hsv(212,100%,55%)
CMYK
cmyk(100,53,0,45)
LAB
lab(29,13,-46)
LCH
lch(29,48,286)
sRGB
(0,0.259,0.549)
HEX8
#00428cff
CSS Name
Decimal
000066140

Similar colors

Color variants

Color info

Lightness
27%
Saturation
100%
Hue
212°
Chroma
48
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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