What the Bluff on Copper Casting

#3f7be9 RGB(63,123,233)

About this color

What the Bluff on Copper Casting is a medium blue with a intense character, positioned at #3f7be9 on the color spectrum.

#3f7be9RGB(63, 123, 233)

HSL 219° · 79% saturation · 58% 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

In design terms, a mid-toned blue like this handles 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

Looking at colour relationships, 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 Bluff on Copper Casting
HEX
#3f7be9
RGB
rgb(63,123,233)
RGB%
rgb(24.7%,48.2%,91.4%)
HSL
hsl(219,79%,58%)
HSV
hsv(219,73%,91%)
CMYK
cmyk(73,47,0,9)
LAB
lab(53,18,-61)
LCH
lch(53,64,286)
sRGB
(0.247,0.482,0.914)
HEX8
#3f7be9ff
CSS Name
Decimal
063123233

Similar colors

Color variants

Color info

Lightness
58%
Saturation
79%
Hue
219°
Chroma
64
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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