The Russet Border Inside Brewing

#151bcb RGB(21,27,203)

About this color

The Russet Border Inside Brewing is a intense, medium-dark blue tone, fixed at #151bcb in the RGB color space.

#151bcbRGB(21, 27, 203)

HSL 238° · 81% saturation · 44% 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 Russet Border Inside Brewing
HEX
#151bcb
RGB
rgb(21,27,203)
RGB%
rgb(8.2%,10.6%,79.6%)
HSL
hsl(238,81%,44%)
HSV
hsv(238,90%,80%)
CMYK
cmyk(90,87,0,20)
LAB
lab(27,60,-86)
LCH
lch(27,105,305)
sRGB
(0.082,0.106,0.796)
HEX8
#151bcbff
CSS Name
Decimal
021027203

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Color variants

Color info

Lightness
44%
Saturation
81%
Hue
238°
Chroma
105
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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