The Dark Boulder up Dwindling

#21255b RGB(33,37,91)

About this color

The Dark Boulder up Dwindling reads as dark and moderate — a blue tone recorded at #21255b, RGB(33, 37, 91).

#21255bRGB(33, 37, 91)

HSL 236° · 47% saturation · 24% 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

Blue has been among the most valued pigments throughout history — ultramarine, ground from lapis lazuli, was once worth more than gold and reserved for the robes of the Virgin Mary in medieval painting.

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Design use

In practical terms, a dark blue like this works well as a grounding element in print design — covers, footers, section dividers. On screen it suits dashboards and interfaces where a serious tone matters.

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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
The Dark Boulder up Dwindling
HEX
#21255b
RGB
rgb(33,37,91)
RGB%
rgb(12.9%,14.5%,35.7%)
HSL
hsl(236,47%,24%)
HSV
hsv(236,64%,36%)
CMYK
cmyk(64,59,0,64)
LAB
lab(17,17,-33)
LCH
lch(17,37,297)
sRGB
(0.129,0.145,0.357)
HEX8
#21255bff
CSS Name
Decimal
033037091

Similar colors

Color variants

Color info

Lightness
24%
Saturation
47%
Hue
236°
Chroma
37
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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