The Border through Honest Opening

#0a0dad RGB(10,13,173)

About this color

The Border through Honest Opening is a medium-dark blue with a intense character, positioned at #0a0dad on the color spectrum.

#0a0dadRGB(10, 13, 173)

HSL 239° · 89% saturation · 36% 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
The Border through Honest Opening
HEX
#0a0dad
RGB
rgb(10,13,173)
RGB%
rgb(3.9%,5.1%,67.8%)
HSL
hsl(239,89%,36%)
HSV
hsv(239,94%,68%)
CMYK
cmyk(94,92,0,32)
LAB
lab(21,56,-78)
LCH
lch(21,96,306)
sRGB
(0.039,0.051,0.678)
HEX8
#0a0dadff
CSS Name
Decimal
010013173

Similar colors

Color variants

Color info

Lightness
36%
Saturation
89%
Hue
239°
Chroma
96
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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