Clouded Boulder beyond the Hardening

#151c51 RGB(21,28,81)

About this color

Clouded Boulder beyond the Hardening presents itself as a dark, vivid blue shade, sitting at #151c51 in the 24-bit RGB space.

#151c51RGB(21, 28, 81)

HSL 233° · 59% saturation · 20% lightness

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Psychology

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

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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

In practical terms, a dark blue like this works well 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.

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Colour pairings

In terms of colour combinations, 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
Clouded Boulder beyond the Hardening
HEX
#151c51
RGB
rgb(21,28,81)
RGB%
rgb(8.2%,11%,31.8%)
HSL
hsl(233,59%,20%)
HSV
hsv(233,74%,32%)
CMYK
cmyk(74,65,0,68)
LAB
lab(13,17,-33)
LCH
lch(13,37,297)
sRGB
(0.082,0.11,0.318)
HEX8
#151c51ff
CSS Name
Decimal
021028081

Similar colors

Color variants

Color info

Lightness
20%
Saturation
59%
Hue
233°
Chroma
37
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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