#03071E
#0B525B
#1B998B
#C2F970
#03071E is a dark, highly saturated black color, closest to Obsidian and near Obsidian and Licorice. In OKLCH it has 14% lightness and 0.05 chroma at hue 268°. Black suggests sophistication, contrast and drama, which makes #03071E a natural choice for text, luxury branding and dark interfaces. It appears in 2 ColorSwoop palettes.
#03071Ergb(3, 7, 30)hsl(231, 82%, 6%)90, 77, 0, 88--obsidian19.94:1 white · 1.05:1 blackWhite text passes WCAG AA on #03071E (19.94:1); black does not, so keep dark text off it.
For a calm scheme pair #03071E with its analogous neighbors #03131C and #0C031C; for contrast use its complement #1C1803 as a small accent, and anchor everything with a neutral such as #F5F5F7.
--obsidian: #03071E;
$obsidian: #03071E;
colors: { 'obsidian': '#03071E' }