#243B53 · near Charcoal

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#243B53 (RGB 36, 59, 83) is a dark, muted blue, closest to Charcoal and near Charcoal Blue and Gunmetal. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #243B53 a natural choice for links, primary buttons, finance and technology. It appears in 1 ColorSwoop palette. In OKLCH it has 34% lightness and 0.05 chroma at hue 250°.

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HEX#243B53
RGBrgb(36, 59, 83)
HSLhsl(211, 39%, 23%)
CMYK57, 29, 0, 67
CSS var--charcoal
Contrast11.5:1 white · 1.83:1 black

Similar named colors

Charcoal Blue #2C3E50Charcoal #36454FGunmetal #2A3439Onyx #353839Iron #3B3F42

How to use #243B53

White text passes WCAG AA on #243B53 (11.5:1); black does not, so keep dark text off it.

For a calm scheme pair #243B53 with its analogous neighbors #245152 and #252452; for contrast use its complement #523B24 as a small accent, and anchor everything with a neutral such as #F5F5F7.

--charcoal: #243B53;

Color card

#243B53 hex color card: near Charcoal, RGB 36, 59, 83
Save or share #243B53 as an image — hex, RGB and HSL on the color itself.

Shades & tints

#070C11#0E1821#162332#1D2F42#243B53#506275#7C8998#A7B1BA#D3D8DD

Color harmonies for #243B53

Complementary

#243B53#523B24

Analogous

#243B53#245152#252452

Triadic

#243B53#52243A#3A5224

Split complementary

#243B53#522524#515224

Tetradic

#243B53#522451#523B24#245225

Palettes with #243B53