The Changeless Brook upon the Plowing

#421af5 RGB(66,26,245)

About this color

The Changeless Brook upon the Plowing is a intense, medium blue tone, fixed at #421af5 in the RGB color space.

#421af5RGB(66, 26, 245)

HSL 251° · 92% saturation · 53% 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

In Japanese aesthetics, blue — particularly indigo — has been a central colour for centuries: the slow-dyed textiles of Tokushima remain prized for their depth and permanence.

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Design use

Practically, this medium blue is comfortable as brand accents, data visualisation series, and illustrative elements. Its middle lightness gives it presence on both white and dark backgrounds.

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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 Changeless Brook upon the Plowing
HEX
#421af5
RGB
rgb(66,26,245)
RGB%
rgb(25.9%,10.2%,96.1%)
HSL
hsl(251,92%,53%)
HSV
hsv(251,89%,96%)
CMYK
cmyk(73,89,0,4)
LAB
lab(35,73,-98)
LCH
lch(35,122,307)
sRGB
(0.259,0.102,0.961)
HEX8
#421af5ff
CSS Name
Decimal
066026245

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Color variants

Color info

Lightness
53%
Saturation
92%
Hue
251°
Chroma
122
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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