When Dusky Cavern without Unmaking

#151a33 RGB(21,26,51)

About this color

When Dusky Cavern without Unmaking reads as deep and moderate — a blue tone recorded at #151a33, RGB(21, 26, 51).

#151a33RGB(21, 26, 51)

HSL 230° · 42% saturation · 14% 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

In practical terms, a deep 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.

🎭

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.

⚖️ Contrast checker👁 Colour blindness🌈 Gradient🎨 Colour mixer

Color Categories

Color formats

Name
When Dusky Cavern without Unmaking
HEX
#151a33
RGB
rgb(21,26,51)
RGB%
rgb(8.2%,10.2%,20%)
HSL
hsl(230,42%,14%)
HSV
hsv(230,59%,20%)
CMYK
cmyk(59,49,0,80)
LAB
lab(10,6,-17)
LCH
lch(10,18,289)
sRGB
(0.082,0.102,0.2)
HEX8
#151a33ff
CSS Name
Decimal
021026051

Similar colors

Color variants

Color info

Lightness
14%
Saturation
42%
Hue
230°
Chroma
18
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

Share