#397F75 is a mid-toned, cool cyan. On the Color Lab it reads with a faded, vintage edge, 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 #397F75 works with other colors. Named schemes with #397F75 in its natural role, and a note on why the supporting colors balance it.
Viridian opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Viridian keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Viridian plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Viridian 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.
Viridian 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 Viridian carrying the quiet middle.
How #397F75 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 #397F75 at work across the surfaces designers actually ship.
:root {
--color-base: #397F75;
--color-base-rgb: 57 127 117;
--color-base-oklch: oklch(54.9% 0.072 183.0);
--color-50: #F4FBFA;
--color-100: #E2F3F0;
--color-200: #C7E6E1;
--color-300: #9FD0C9;
--color-400: #7AB8AF;
--color-500: #599C92;
--color-600: #497971;
--color-700: #385752;
--color-800: #273A37;
--color-900: #192422;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
viridian: {
50: '#F4FBFA',
100: '#E2F3F0',
200: '#C7E6E1',
300: '#9FD0C9',
400: '#7AB8AF',
500: '#599C92',
600: '#497971',
700: '#385752',
800: '#273A37',
900: '#192422',
},
}
$base: #397F75; $base-ink: #FFFFFF; $base-50: #F4FBFA; $base-100: #E2F3F0; $base-200: #C7E6E1; $base-300: #9FD0C9; $base-400: #7AB8AF; $base-500: #599C92; $base-600: #497971; $base-700: #385752; $base-800: #273A37; $base-900: #192422; $base-hover: #2E655D; $base-subtle: #C0DCD8;
{
"color": {
"base": {
"value": "#397F75",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBFA",
"type": "color"
},
"100": {
"value": "#E2F3F0",
"type": "color"
},
"200": {
"value": "#C7E6E1",
"type": "color"
},
"300": {
"value": "#9FD0C9",
"type": "color"
},
"400": {
"value": "#7AB8AF",
"type": "color"
},
"500": {
"value": "#599C92",
"type": "color"
},
"600": {
"value": "#497971",
"type": "color"
},
"700": {
"value": "#385752",
"type": "color"
},
"800": {
"value": "#273A37",
"type": "color"
},
"900": {
"value": "#192422",
"type": "color"
}
}
}
}