The Copper Brook atop the Arching

#2a9de5 RGB(42,157,229)

About this color

The Copper Brook atop the Arching occupies the medium, intense end of the blue spectrum, defined by its coordinates #2a9de5 — RGB(42, 157, 229).

#2a9de5RGB(42, 157, 229)

HSL 203° · 78% saturation · 53% 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 Copper Brook atop the Arching
HEX
#2a9de5
RGB
rgb(42,157,229)
RGB%
rgb(16.5%,61.6%,89.8%)
HSL
hsl(203,78%,53%)
HSV
hsv(203,82%,90%)
CMYK
cmyk(82,31,0,10)
LAB
lab(62,-6,-45)
LCH
lch(62,45,262)
sRGB
(0.165,0.616,0.898)
HEX8
#2a9de5ff
CSS Name
Decimal
042157229

Similar colors

Color variants

Color info

Lightness
53%
Saturation
78%
Hue
203°
Chroma
45
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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