Plunging Basalt underneath the Shrinking

#123f3a RGB(18,63,58)

About this color

Plunging Basalt underneath the Shrinking occupies the dark, vivid end of the cyan spectrum, defined by its coordinates #123f3a — RGB(18, 63, 58).

#123f3aRGB(18, 63, 58)

HSL 173° · 56% saturation · 16% lightness

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Psychology

Dark cyans feel aquatic and technical — deep ocean, industrial machinery, precision instruments.

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History

Cerulean, a blue-green pigment introduced in the nineteenth century, became important to Impressionist painters for capturing sky and water with unprecedented freshness.

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Design use

Practically speaking, this deep cyan 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.

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Colour pairings

When it comes to colour harmony, combine this cyan with coral and warm white for a fresh, modern palette, or with deep navy and charcoal for a more serious, technical feel.

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Color Categories

Color formats

Name
Plunging Basalt underneath the Shrinking
HEX
#123f3a
RGB
rgb(18,63,58)
RGB%
rgb(7.1%,24.7%,22.7%)
HSL
hsl(173,56%,16%)
HSV
hsv(173,71%,25%)
CMYK
cmyk(71,0,8,75)
LAB
lab(24,-17,-1)
LCH
lch(24,17,183)
sRGB
(0.071,0.247,0.227)
HEX8
#123f3aff
CSS Name
Decimal
018063058

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Color variants

Color info

Lightness
16%
Saturation
56%
Hue
173°
Chroma
17
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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