The Leaden Basalt up the Gloaming
About this color
The Leaden Basalt up the Gloaming is a vivid, dark blue tone, fixed at #151f45 in the RGB color space.
#151f45RGB(21, 31, 69)
HSL 228° · 53% saturation · 18% lightness
Psychology
In its darkest registers blue becomes serious and introspective: trustworthy, professional, slightly austere.
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.
Design use
As a dark tone, it naturally lends itself to 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.
Colour pairings
For palette building, 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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