#2E3440
#4C566A
#D8DEE9
#EBCB8B
#4C566A is a medium, muted blue color, closest to Dusk and near Dusk and Storm. In OKLCH it has 45% lightness and 0.04 chroma at hue 264°. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #4C566A a natural choice for links, primary buttons, finance and technology. It appears in 2 ColorSwoop palettes.
#4C566Argb(76, 86, 106)hsl(220, 16%, 36%)28, 19, 0, 58--dusk7.38:1 white · 2.85:1 blackWhite text passes WCAG AA on #4C566A (7.38:1); black does not, so keep dark text off it.
For a calm scheme pair #4C566A with its analogous neighbors #4D666A and #524D6A; for contrast use its complement #6A614D as a small accent, and anchor everything with a neutral such as #F5F5F7.
--dusk: #4C566A;
$dusk: #4C566A;
colors: { 'dusk': '#4C566A' }