Balanced Bluff Since Spanning

#303a8c RGB(48,58,140)

About this color

Balanced Bluff Since Spanning is a moderate, medium-dark blue tone, fixed at #303a8c in the RGB color space.

#303a8cRGB(48, 58, 140)

HSL 233° · 49% saturation · 37% lightness

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Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

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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

As a dark tone, it naturally lends itself to a background for light-coloured text, as a deep accent stripe, or as an anchoring tone in dark-mode interfaces. It pairs naturally with off-whites, warm creams, and metallic highlights.

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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
Balanced Bluff Since Spanning
HEX
#303a8c
RGB
rgb(48,58,140)
RGB%
rgb(18.8%,22.7%,54.9%)
HSL
hsl(233,49%,37%)
HSV
hsv(233,66%,55%)
CMYK
cmyk(66,59,0,45)
LAB
lab(28,23,-47)
LCH
lch(28,52,296)
sRGB
(0.188,0.227,0.549)
HEX8
#303a8cff
CSS Name
Decimal
048058140

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Color variants

Color info

Lightness
37%
Saturation
49%
Hue
233°
Chroma
52
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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