#293C39 is a muted, temperate cyan. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #293C39 works with other colors. Named schemes with #293C39 in its natural role, and a note on why the supporting colors balance it.
Onyx plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Onyx 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.
Onyx carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Onyx adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Onyx.
Onyx 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 Onyx carrying the quiet middle.
How #293C39 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 #293C39 at work across the surfaces designers actually ship.
:root {
--color-base: #293C39;
--color-base-rgb: 41 60 57;
--color-base-oklch: oklch(33.9% 0.025 184.0);
--color-50: #F6F9F8;
--color-100: #E7EFED;
--color-200: #CEDEDC;
--color-300: #ABC4C0;
--color-400: #89A9A4;
--color-500: #6A8B86;
--color-600: #556D69;
--color-700: #404F4D;
--color-800: #2C3534;
--color-900: #1C2120;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
onyx: {
50: '#F6F9F8',
100: '#E7EFED',
200: '#CEDEDC',
300: '#ABC4C0',
400: '#89A9A4',
500: '#6A8B86',
600: '#556D69',
700: '#404F4D',
800: '#2C3534',
900: '#1C2120',
},
}
$base: #293C39; $base-ink: #FFFFFF; $base-50: #F6F9F8; $base-100: #E7EFED; $base-200: #CEDEDC; $base-300: #ABC4C0; $base-400: #89A9A4; $base-500: #6A8B86; $base-600: #556D69; $base-700: #404F4D; $base-800: #2C3534; $base-900: #1C2120; $base-hover: #21312E; $base-subtle: #B9CBC8;
{
"color": {
"base": {
"value": "#293C39",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F9F8",
"type": "color"
},
"100": {
"value": "#E7EFED",
"type": "color"
},
"200": {
"value": "#CEDEDC",
"type": "color"
},
"300": {
"value": "#ABC4C0",
"type": "color"
},
"400": {
"value": "#89A9A4",
"type": "color"
},
"500": {
"value": "#6A8B86",
"type": "color"
},
"600": {
"value": "#556D69",
"type": "color"
},
"700": {
"value": "#404F4D",
"type": "color"
},
"800": {
"value": "#2C3534",
"type": "color"
},
"900": {
"value": "#1C2120",
"type": "color"
}
}
}
}