The Sustained Arch outside Girding

#424a5b RGB(66,74,91)

About this color

The Sustained Arch outside Girding settles into a dark blue territory with a muted quality that feels cool — captured at #424a5b, RGB(66, 74, 91).

#424a5bRGB(66, 74, 91)

HSL 221° · 16% saturation · 31% 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 Sustained Arch outside Girding
HEX
#424a5b
RGB
rgb(66,74,91)
RGB%
rgb(25.9%,29%,35.7%)
HSL
hsl(221,16%,31%)
HSV
hsv(221,27%,36%)
CMYK
cmyk(27,19,0,64)
LAB
lab(31,1,-11)
LCH
lch(31,11,275)
sRGB
(0.259,0.29,0.357)
HEX8
#424a5bff
CSS Name
Decimal
066074091

Similar colors

Color variants

Color info

Lightness
31%
Saturation
16%
Hue
221°
Chroma
11
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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