#A8DADC
#457B9D
#1D3557
#F1FAEE
#1D3557 · Prussian Blue
Click to copy#1D3557 is a dark, moderately saturated blue color, closest to Prussian Blue and near Prussian Blue and Space. In OKLCH it has 33% lightness and 0.07 chroma at hue 257°. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #1D3557 a natural choice for links, primary buttons, finance and technology. It appears in 3 ColorSwoop palettes.
Color codes click to copy
HEX
#1D3557RGB
rgb(29, 53, 87)HSL
hsl(215, 50%, 23%)CMYK
67, 39, 0, 66CSS var
--prussian-blueContrast
12.36:1 white · 1.7:1 blackSimilar named colors
How to use #1D3557
White text passes WCAG AA on #1D3557 (12.36:1); black does not, so keep dark text off it.
For a calm scheme pair #1D3557 with its analogous neighbors #1D5358 and #221D58; for contrast use its complement #58401D as a small accent, and anchor everything with a neutral such as #F5F5F7.
--prussian-blue: #1D3557;
$prussian-blue: #1D3557;
colors: { 'prussian-blue': '#1D3557' }