What the Border without Pragmatic Extending

#404ca9 RGB(64,76,169)

About this color

What the Border without Pragmatic Extending is a moderate, medium-dark blue tone, fixed at #404ca9 in the RGB color space.

#404ca9RGB(64, 76, 169)

HSL 233° · 45% saturation · 46% 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
What the Border without Pragmatic Extending
HEX
#404ca9
RGB
rgb(64,76,169)
RGB%
rgb(25.1%,29.8%,66.3%)
HSL
hsl(233,45%,46%)
HSV
hsv(233,62%,66%)
CMYK
cmyk(62,55,0,34)
LAB
lab(36,25,-52)
LCH
lch(36,58,296)
sRGB
(0.251,0.298,0.663)
HEX8
#404ca9ff
CSS Name
Decimal
064076169

Similar colors

Color variants

Color info

Lightness
46%
Saturation
45%
Hue
233°
Chroma
58
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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