#FFF6C8
#FFE58A
#BFE0FF
#3F4E6B
#3F4E6B is a medium, muted blue color, closest to Dusk and near Dusk and Charcoal. In OKLCH it has 42% lightness and 0.05 chroma at hue 263°. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #3F4E6B a natural choice for links, primary buttons, finance and technology. It appears in 2 ColorSwoop palettes.
#3F4E6Brgb(63, 78, 107)hsl(220, 26%, 33%)41, 27, 0, 58--dusk8.36:1 white · 2.51:1 blackWhite text passes WCAG AA on #3F4E6B (8.36:1); black does not, so keep dark text off it.
For a calm scheme pair #3F4E6B with its analogous neighbors #3E636A and #463E6A; for contrast use its complement #6A5B3E as a small accent, and anchor everything with a neutral such as #F5F5F7.
--dusk: #3F4E6B;
$dusk: #3F4E6B;
colors: { 'dusk': '#3F4E6B' }