#0A0F1F
#304375
#00E5FF
#FF3C7E
#0A0F1F is a dark, moderately saturated black color, closest to Obsidian and near Obsidian and Licorice. In OKLCH it has 17% lightness and 0.03 chroma at hue 269°. Black suggests sophistication, contrast and drama, which makes #0A0F1F a natural choice for text, luxury branding and dark interfaces. It appears in 2 ColorSwoop palettes.
#0A0F1Frgb(10, 15, 31)hsl(226, 51%, 8%)68, 52, 0, 88--obsidian19.07:1 white · 1.1:1 blackWhite text passes WCAG AA on #0A0F1F (19.07:1); black does not, so keep dark text off it.
For a calm scheme pair #0A0F1F with its analogous neighbors #0A191F and #100A1F; for contrast use its complement #1F1A0A as a small accent, and anchor everything with a neutral such as #F5F5F7.
--obsidian: #0A0F1F;
$obsidian: #0A0F1F;
colors: { 'obsidian': '#0A0F1F' }