#374646 is a mid neutral with only a whisper of temperate cast. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #374646 works with other colors. Named schemes with #374646 in its natural role, and a note on why the supporting colors balance it.
Charcoal is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Charcoal.
Charcoal plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Charcoal anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Charcoal sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Charcoal is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Charcoal carrying the quiet middle.
How #374646 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #374646 at work across the surfaces designers actually ship.
:root {
--color-base: #374646;
--color-base-rgb: 55 70 70;
--color-base-oklch: oklch(38.1% 0.019 196.4);
--color-50: #F6F8F8;
--color-100: #E8EDED;
--color-200: #D1DBDB;
--color-300: #B0BFBF;
--color-400: #8FA3A3;
--color-500: #708585;
--color-600: #596868;
--color-700: #434C4C;
--color-800: #2E3333;
--color-900: #1D2020;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
charcoal: {
50: '#F6F8F8',
100: '#E8EDED',
200: '#D1DBDB',
300: '#B0BFBF',
400: '#8FA3A3',
500: '#708585',
600: '#596868',
700: '#434C4C',
800: '#2E3333',
900: '#1D2020',
},
}
$base: #374646; $base-ink: #FFFFFF; $base-50: #F6F8F8; $base-100: #E8EDED; $base-200: #D1DBDB; $base-300: #B0BFBF; $base-400: #8FA3A3; $base-500: #708585; $base-600: #596868; $base-700: #434C4C; $base-800: #2E3333; $base-900: #1D2020; $base-hover: #2D3939; $base-subtle: #C0CBCB;
{
"color": {
"base": {
"value": "#374646",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F8F8",
"type": "color"
},
"100": {
"value": "#E8EDED",
"type": "color"
},
"200": {
"value": "#D1DBDB",
"type": "color"
},
"300": {
"value": "#B0BFBF",
"type": "color"
},
"400": {
"value": "#8FA3A3",
"type": "color"
},
"500": {
"value": "#708585",
"type": "color"
},
"600": {
"value": "#596868",
"type": "color"
},
"700": {
"value": "#434C4C",
"type": "color"
},
"800": {
"value": "#2E3333",
"type": "color"
},
"900": {
"value": "#1D2020",
"type": "color"
}
}
}
}