#031D27 is a muted, cool blue. On the Color Lab it reads clean and engineered, quietly premium. It holds up as a large surface and is too dark to lead as a primary accent.
Not just a swatch — here's how #031D27 works with other colors. Named schemes with #031D27 in its natural role, and a note on why the supporting colors balance it.
Graphite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Graphite keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Graphite is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Graphite.
Graphite plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Graphite 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 Graphite carrying the quiet middle.
How #031D27 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 #031D27 at work across the surfaces designers actually ship.
:root {
--color-base: #031D27;
--color-base-rgb: 3 29 39;
--color-base-oklch: oklch(21.6% 0.037 226.7);
--color-50: #F0FAFE;
--color-100: #D8F3FD;
--color-200: #B3E5F9;
--color-300: #80D0EF;
--color-400: #52B8E0;
--color-500: #2F9BC6;
--color-600: #2B7896;
--color-700: #25566A;
--color-800: #1C3945;
--color-900: #13242A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
graphite: {
50: '#F0FAFE',
100: '#D8F3FD',
200: '#B3E5F9',
300: '#80D0EF',
400: '#52B8E0',
500: '#2F9BC6',
600: '#2B7896',
700: '#25566A',
800: '#1C3945',
900: '#13242A',
},
}
$base: #031D27; $base-ink: #FFFFFF; $base-50: #F0FAFE; $base-100: #D8F3FD; $base-200: #B3E5F9; $base-300: #80D0EF; $base-400: #52B8E0; $base-500: #2F9BC6; $base-600: #2B7896; $base-700: #25566A; $base-800: #1C3945; $base-900: #13242A; $base-hover: #02161E; $base-subtle: #8BCDE7;
{
"color": {
"base": {
"value": "#031D27",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FAFE",
"type": "color"
},
"100": {
"value": "#D8F3FD",
"type": "color"
},
"200": {
"value": "#B3E5F9",
"type": "color"
},
"300": {
"value": "#80D0EF",
"type": "color"
},
"400": {
"value": "#52B8E0",
"type": "color"
},
"500": {
"value": "#2F9BC6",
"type": "color"
},
"600": {
"value": "#2B7896",
"type": "color"
},
"700": {
"value": "#25566A",
"type": "color"
},
"800": {
"value": "#1C3945",
"type": "color"
},
"900": {
"value": "#13242A",
"type": "color"
}
}
}
}