Bleakest Boulder between Collapsing

#00638c RGB(0,99,140)

About this color

Bleakest Boulder between Collapsing settles into a dark blue territory with a intense quality that feels cool — captured at #00638c, RGB(0, 99, 140).

#00638cRGB(0, 99, 140)

HSL 198° · 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

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
Bleakest Boulder between Collapsing
HEX
#00638c
RGB
rgb(0,99,140)
RGB%
rgb(0%,38.8%,54.9%)
HSL
hsl(198,100%,27%)
HSV
hsv(198,100%,55%)
CMYK
cmyk(100,29,0,45)
LAB
lab(39,-9,-29)
LCH
lch(39,30,253)
sRGB
(0,0.388,0.549)
HEX8
#00638cff
CSS Name
Decimal
000099140

Similar colors

Color variants

Color info

Lightness
27%
Saturation
100%
Hue
198°
Chroma
30
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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