#EAF4FB
#BFDCF0
#5C93C4
#1F3F5F
#1F3F5F is a dark, moderately saturated blue color, closest to Charcoal and near Charcoal Blue and Deep Teal. In OKLCH it has 36% lightness and 0.07 chroma at hue 250°. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #1F3F5F a natural choice for links, primary buttons, finance and technology. It appears in 2 ColorSwoop palettes.
#1F3F5Frgb(31, 63, 95)hsl(210, 51%, 25%)67, 34, 0, 63--charcoal10.86:1 white · 1.93:1 blackWhite text passes WCAG AA on #1F3F5F (10.86:1); black does not, so keep dark text off it.
For a calm scheme pair #1F3F5F with its analogous neighbors #1F6060 and #1F1F60; for contrast use its complement #60401F as a small accent, and anchor everything with a neutral such as #F5F5F7.
--charcoal: #1F3F5F;
$charcoal: #1F3F5F;
colors: { 'charcoal': '#1F3F5F' }