Restful Acre without the Persisting

#15288a RGB(21,40,138)

About this color

Restful Acre without the Persisting is rendered by screens as RGB(21, 40, 138) — a dark, vivid blue hue.

#15288aRGB(21, 40, 138)

HSL 230° · 74% saturation · 31% lightness

🧠

Psychology

Dark blues project authority, depth and reliability — the colour of deep water, the night sky, and tailored suits.

🏛️

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.

✏️

Design use

Practically speaking, this deep blue is most at home as a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

🎭

Colour pairings

When it comes to colour harmony, complement this blue with amber and warm orange for high-contrast energy, or stay within blue-green and violet neighbours for a serene, cohesive feel.

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Color Categories

Color formats

Name
Restful Acre without the Persisting
HEX
#15288a
RGB
rgb(21,40,138)
RGB%
rgb(8.2%,15.7%,54.1%)
HSL
hsl(230,74%,31%)
HSV
hsv(230,85%,54%)
CMYK
cmyk(85,71,0,46)
LAB
lab(22,31,-56)
LCH
lch(22,64,299)
sRGB
(0.082,0.157,0.541)
HEX8
#15288aff
CSS Name
Decimal
021040138

Similar colors

Color variants

Color info

Lightness
31%
Saturation
74%
Hue
230°
Chroma
64
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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