#151515
#4E4E4E
#577AFF
#FAFAFA
#151515 is a dark, nearly neutral black color, closest to Licorice and near Licorice and Obsidian. In OKLCH it has 20% lightness and 0.00 chroma at hue 0°. Black suggests sophistication, contrast and drama, which makes #151515 a natural choice for text, luxury branding and dark interfaces. It appears in 3 ColorSwoop palettes.
#151515rgb(21, 21, 21)hsl(0, 0%, 8%)0, 0, 0, 92--licorice18.26:1 white · 1.15:1 blackWhite text passes WCAG AA on #151515 (18.26:1); black does not, so keep dark text off it.
For a calm scheme pair #151515 with its analogous neighbors #141414 and #141414; for contrast use its complement #141414 as a small accent, and anchor everything with a neutral such as #F5F5F7.
--licorice: #151515;
$licorice: #151515;
colors: { 'licorice': '#151515' }