Eclipsed Carbon round Plummeting

#313d66 RGB(49,61,102)

About this color

Eclipsed Carbon round Plummeting is a dark blue with a moderate character, positioned at #313d66 on the color spectrum.

#313d66RGB(49, 61, 102)

HSL 226° · 35% saturation · 30% lightness

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Psychology

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

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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.

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Design use

From a design perspective, this shade excels 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

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
Eclipsed Carbon round Plummeting
HEX
#313d66
RGB
rgb(49,61,102)
RGB%
rgb(19.2%,23.9%,40%)
HSL
hsl(226,35%,30%)
HSV
hsv(226,52%,40%)
CMYK
cmyk(52,40,0,60)
LAB
lab(27,8,-26)
LCH
lch(27,27,287)
sRGB
(0.192,0.239,0.4)
HEX8
#313d66ff
CSS Name
Decimal
049061102

Similar colors

Color variants

Color info

Lightness
30%
Saturation
35%
Hue
226°
Chroma
27
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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