The Copper Basin through the Lining

#3b4fb5 RGB(59,79,181)

About this color

The Copper Basin through the Lining is a vivid, medium-dark blue tone, fixed at #3b4fb5 in the RGB color space.

#3b4fb5RGB(59, 79, 181)

HSL 230° · 51% saturation · 47% lightness

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Psychology

Mid blue dominates corporate and tech branding precisely because it reads as dependable without being cold.

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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

Practically, this medium-dark blue 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, 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 Copper Basin through the Lining
HEX
#3b4fb5
RGB
rgb(59,79,181)
RGB%
rgb(23.1%,31%,71%)
HSL
hsl(230,51%,47%)
HSV
hsv(230,67%,71%)
CMYK
cmyk(67,56,0,29)
LAB
lab(38,26,-57)
LCH
lch(38,63,295)
sRGB
(0.231,0.31,0.71)
HEX8
#3b4fb5ff
CSS Name
Decimal
059079181

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Color variants

Color info

Lightness
47%
Saturation
51%
Hue
230°
Chroma
63
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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