#633503 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 #633503 works with other colors. Named schemes with #633503 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 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 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.
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 #633503 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 #633503 at work across the surfaces designers actually ship.
:root {
--color-base: #633503;
--color-base-rgb: 99 53 3;
--color-base-oklch: oklch(38.0% 0.087 59.9);
--color-50: #FEF8F0;
--color-100: #FDEBD8;
--color-200: #FCD7B1;
--color-300: #F4BA7B;
--color-400: #E79C4B;
--color-500: #CD7D28;
--color-600: #9B6326;
--color-700: #6D4921;
--color-800: #47311A;
--color-900: #2B1F12;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
sepia: {
50: '#FEF8F0',
100: '#FDEBD8',
200: '#FCD7B1',
300: '#F4BA7B',
400: '#E79C4B',
500: '#CD7D28',
600: '#9B6326',
700: '#6D4921',
800: '#47311A',
900: '#2B1F12',
},
}
$base: #633503; $base-ink: #FFFFFF; $base-50: #FEF8F0; $base-100: #FDEBD8; $base-200: #FCD7B1; $base-300: #F4BA7B; $base-400: #E79C4B; $base-500: #CD7D28; $base-600: #9B6326; $base-700: #6D4921; $base-800: #47311A; $base-900: #2B1F12; $base-hover: #4F2A02; $base-subtle: #EEC396;
{
"color": {
"base": {
"value": "#633503",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#FEF8F0",
"type": "color"
},
"100": {
"value": "#FDEBD8",
"type": "color"
},
"200": {
"value": "#FCD7B1",
"type": "color"
},
"300": {
"value": "#F4BA7B",
"type": "color"
},
"400": {
"value": "#E79C4B",
"type": "color"
},
"500": {
"value": "#CD7D28",
"type": "color"
},
"600": {
"value": "#9B6326",
"type": "color"
},
"700": {
"value": "#6D4921",
"type": "color"
},
"800": {
"value": "#47311A",
"type": "color"
},
"900": {
"value": "#2B1F12",
"type": "color"
}
}
}
}