The Lingering Arch behind Spreading

#37579b RGB(55,87,155)

About this color

The Lingering Arch behind Spreading occupies the medium-dark, moderate end of the blue spectrum, defined by its coordinates #37579b — RGB(55, 87, 155).

#37579bRGB(55, 87, 155)

HSL 221° · 48% saturation · 41% lightness

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Psychology

Blue at medium lightness is the colour of trust and communication — widely associated with stability, focus, and honesty.

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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

This shade sits in a versatile middle ground — useful as accent colours, call-to-action buttons, and icon fills — it holds its own without overwhelming adjacent elements. Always check WCAG contrast ratios before using it under or over text.

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Colour pairings

When it comes to colour harmony, complement this blue with amber and warm orange for high-contrast energy, or stay within blue-green and violet neighbours for a serene, cohesive feel.

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Color Categories

Color formats

Name
The Lingering Arch behind Spreading
HEX
#37579b
RGB
rgb(55,87,155)
RGB%
rgb(21.6%,34.1%,60.8%)
HSL
hsl(221,48%,41%)
HSV
hsv(221,65%,61%)
CMYK
cmyk(65,44,0,39)
LAB
lab(38,11,-41)
LCH
lch(38,42,285)
sRGB
(0.216,0.341,0.608)
HEX8
#37579bff
CSS Name
Decimal
055087155

Similar colors

Color variants

Color info

Lightness
41%
Saturation
48%
Hue
221°
Chroma
42
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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