#39646E is a muted, cool blue. On the Color Lab it reads clean and engineered, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #39646E works with other colors. Named schemes with #39646E in its natural role, and a note on why the supporting colors balance it.
Feldgrau opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Feldgrau keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Feldgrau is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Feldgrau.
Feldgrau plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Feldgrau 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 Feldgrau carrying the quiet middle.
How #39646E 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 #39646E at work across the surfaces designers actually ship.
:root {
--color-base: #39646E;
--color-base-rgb: 57 100 110;
--color-base-oklch: oklch(47.6% 0.050 214.3);
--color-50: #F5F9FA;
--color-100: #E4EFF2;
--color-200: #C9DEE3;
--color-300: #A3C5CC;
--color-400: #7FAAB3;
--color-500: #5E8C97;
--color-600: #4D6E75;
--color-700: #3A5054;
--color-800: #293538;
--color-900: #1A2123;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
feldgrau: {
50: '#F5F9FA',
100: '#E4EFF2',
200: '#C9DEE3',
300: '#A3C5CC',
400: '#7FAAB3',
500: '#5E8C97',
600: '#4D6E75',
700: '#3A5054',
800: '#293538',
900: '#1A2123',
},
}
$base: #39646E; $base-ink: #FFFFFF; $base-50: #F5F9FA; $base-100: #E4EFF2; $base-200: #C9DEE3; $base-300: #A3C5CC; $base-400: #7FAAB3; $base-500: #5E8C97; $base-600: #4D6E75; $base-700: #3A5054; $base-800: #293538; $base-900: #1A2123; $base-hover: #2E5159; $base-subtle: #BFD4D8;
{
"color": {
"base": {
"value": "#39646E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F9FA",
"type": "color"
},
"100": {
"value": "#E4EFF2",
"type": "color"
},
"200": {
"value": "#C9DEE3",
"type": "color"
},
"300": {
"value": "#A3C5CC",
"type": "color"
},
"400": {
"value": "#7FAAB3",
"type": "color"
},
"500": {
"value": "#5E8C97",
"type": "color"
},
"600": {
"value": "#4D6E75",
"type": "color"
},
"700": {
"value": "#3A5054",
"type": "color"
},
"800": {
"value": "#293538",
"type": "color"
},
"900": {
"value": "#1A2123",
"type": "color"
}
}
}
}