#1F3F5F · Charcoal

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#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.

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HEX#1F3F5F
RGBrgb(31, 63, 95)
HSLhsl(210, 51%, 25%)
CMYK67, 34, 0, 63
CSS var--charcoal
Contrast10.86:1 white · 1.93:1 black

Similar named colors

How to use #1F3F5F

White 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;

Shades & tints

Color harmonies for #1F3F5F

Complementary

Analogous

Triadic

Split complementary

Tetradic

Palettes with #1F3F5F