The Thick Alcove Inside Arching

#648f90 RGB(100,143,144)

About this color

The Thick Alcove Inside Arching is a muted, medium-dark cyan tone, fixed at #648f90 in the RGB color space.

#648f90RGB(100, 143, 144)

HSL 181° · 18% saturation · 48% lightness

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Psychology

Mid cyan is strongly associated with technology, precision, and a certain crisp modernity.

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History

Cyan as a printing ink became central to modern colour reproduction — the C in CMYK — because its complement to red allows the full printable colour range.

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Design use

Practically, this medium-dark cyan is comfortable 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

For palette building, cyan complements warm reds and red-oranges — a palette of technological energy. For calmer use, pair with white, light grey, and the lightest tints of the same hue.

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Color Categories

Color formats

Name
The Thick Alcove Inside Arching
HEX
#648f90
RGB
rgb(100,143,144)
RGB%
rgb(39.2%,56.1%,56.5%)
HSL
hsl(181,18%,48%)
HSV
hsv(181,31%,56%)
CMYK
cmyk(31,1,0,44)
LAB
lab(56,-14,-5)
LCH
lch(56,15,200)
sRGB
(0.392,0.561,0.565)
HEX8
#648f90ff
CSS Name
Decimal
100143144

Similar colors

Color variants

Color info

Lightness
48%
Saturation
18%
Hue
181°
Chroma
15
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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