Deep Boulder until the Darkening

#1f1c31 RGB(31,28,49)

About this color

Deep Boulder until the Darkening is a dark blue with a moderate character, positioned at #1f1c31 on the color spectrum.

#1f1c31RGB(31, 28, 49)

HSL 249° · 27% saturation · 15% lightness

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Psychology

In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.

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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

From a design perspective, this shade excels 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

Looking at colour relationships, 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
Deep Boulder until the Darkening
HEX
#1f1c31
RGB
rgb(31,28,49)
RGB%
rgb(12.2%,11%,19.2%)
HSL
hsl(249,27%,15%)
HSV
hsv(249,43%,19%)
CMYK
cmyk(37,43,0,81)
LAB
lab(12,8,-13)
LCH
lch(12,15,302)
sRGB
(0.122,0.11,0.192)
HEX8
#1f1c31ff
CSS Name
Decimal
031028049

Similar colors

Color variants

Color info

Lightness
15%
Saturation
27%
Hue
249°
Chroma
15
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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