Mellow Basin without Rounding

#183f8c RGB(24,63,140)

About this color

Mellow Basin without Rounding reads as dark and vivid — a blue tone recorded at #183f8c, RGB(24, 63, 140).

#183f8cRGB(24, 63, 140)

HSL 220° · 71% saturation · 32% 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
Mellow Basin without Rounding
HEX
#183f8c
RGB
rgb(24,63,140)
RGB%
rgb(9.4%,24.7%,54.9%)
HSL
hsl(220,71%,32%)
HSV
hsv(220,83%,55%)
CMYK
cmyk(83,55,0,45)
LAB
lab(28,17,-47)
LCH
lch(28,50,290)
sRGB
(0.094,0.247,0.549)
HEX8
#183f8cff
CSS Name
Decimal
024063140

Similar colors

Color variants

Color info

Lightness
32%
Saturation
71%
Hue
220°
Chroma
50
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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