#0A1024
#3A456B
#5C7CFA
#DDE3FF
#0A1024 is a dark, moderately saturated black color, closest to Obsidian and near Obsidian and Licorice. In OKLCH it has 18% lightness and 0.04 chroma at hue 269°. Black suggests sophistication, contrast and drama, which makes #0A1024 a natural choice for text, luxury branding and dark interfaces. It appears in 3 ColorSwoop palettes.
#0A1024rgb(10, 16, 36)hsl(226, 57%, 9%)72, 56, 0, 86--obsidian18.88:1 white · 1.11:1 blackWhite text passes WCAG AA on #0A1024 (18.88:1); black does not, so keep dark text off it.
For a calm scheme pair #0A1024 with its analogous neighbors #0A1D24 and #110A24; for contrast use its complement #241E0A as a small accent, and anchor everything with a neutral such as #F5F5F7.
--obsidian: #0A1024;
$obsidian: #0A1024;
colors: { 'obsidian': '#0A1024' }