The Border beyond Mild Crossing

#5159dd RGB(81,89,221)

About this color

The Border beyond Mild Crossing settles into a medium blue territory with a vivid quality that feels cool — captured at #5159dd, RGB(81, 89, 221).

#5159ddRGB(81, 89, 221)

HSL 237° · 67% saturation · 59% 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
The Border beyond Mild Crossing
HEX
#5159dd
RGB
rgb(81,89,221)
RGB%
rgb(31.8%,34.9%,86.7%)
HSL
hsl(237,67%,59%)
HSV
hsv(237,63%,87%)
CMYK
cmyk(63,60,0,13)
LAB
lab(44,37,-69)
LCH
lch(44,78,298)
sRGB
(0.318,0.349,0.867)
HEX8
#5159ddff
CSS Name
Decimal
081089221

Similar colors

Color variants

Color info

Lightness
59%
Saturation
67%
Hue
237°
Chroma
78
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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