#63370D is a mid-toned, warm yellow. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #63370D works with other colors. Named schemes with #63370D in its natural role, and a note on why the supporting colors balance it.
This palette keeps Sepia as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Sepia 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.
Sepia plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Sepia holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.
Sepia 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 Sepia carrying the quiet middle.
How #63370D 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 #63370D at work across the surfaces designers actually ship.
:root {
--color-base: #63370D;
--color-base-rgb: 99 55 13;
--color-base-oklch: oklch(38.4% 0.082 58.9);
--color-50: #FEF7F1;
--color-100: #FBEADA;
--color-200: #F5D5B7;
--color-300: #E9B686;
--color-400: #D99759;
--color-500: #BE7837;
--color-600: #915F31;
--color-700: #664628;
--color-800: #43301E;
--color-900: #291E14;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
sepia: {
50: '#FEF7F1',
100: '#FBEADA',
200: '#F5D5B7',
300: '#E9B686',
400: '#D99759',
500: '#BE7837',
600: '#915F31',
700: '#664628',
800: '#43301E',
900: '#291E14',
},
}
$base: #63370D; $base-ink: #FFFFFF; $base-50: #FEF7F1; $base-100: #FBEADA; $base-200: #F5D5B7; $base-300: #E9B686; $base-400: #D99759; $base-500: #BE7837; $base-600: #915F31; $base-700: #664628; $base-800: #43301E; $base-900: #291E14; $base-hover: #4F2C0A; $base-subtle: #E6C2A0;
{
"color": {
"base": {
"value": "#63370D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#FEF7F1",
"type": "color"
},
"100": {
"value": "#FBEADA",
"type": "color"
},
"200": {
"value": "#F5D5B7",
"type": "color"
},
"300": {
"value": "#E9B686",
"type": "color"
},
"400": {
"value": "#D99759",
"type": "color"
},
"500": {
"value": "#BE7837",
"type": "color"
},
"600": {
"value": "#915F31",
"type": "color"
},
"700": {
"value": "#664628",
"type": "color"
},
"800": {
"value": "#43301E",
"type": "color"
},
"900": {
"value": "#291E14",
"type": "color"
}
}
}
}