The Coarse Boulder outside Collapsing

#303540 RGB(48,53,64)

About this color

The Coarse Boulder outside Collapsing is a dark blue with a muted character, positioned at #303540 on the color spectrum.

#303540RGB(48, 53, 64)

HSL 221° · 14% saturation · 22% 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 Coarse Boulder outside Collapsing
HEX
#303540
RGB
rgb(48,53,64)
RGB%
rgb(18.8%,20.8%,25.1%)
HSL
hsl(221,14%,22%)
HSV
hsv(221,25%,25%)
CMYK
cmyk(25,17,0,75)
LAB
lab(22,1,-8)
LCH
lch(22,8,277)
sRGB
(0.188,0.208,0.251)
HEX8
#303540ff
CSS Name
Decimal
048053064

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Color variants

Color info

Lightness
22%
Saturation
14%
Hue
221°
Chroma
8
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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