#397D7E is a mid-toned, cool cyan-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 #397D7E works with other colors. Named schemes with #397D7E in its natural role, and a note on why the supporting colors balance it.
Myrtle Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Myrtle Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Myrtle Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Myrtle Green 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.
Myrtle Green 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 Myrtle Green carrying the quiet middle.
How #397D7E 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 #397D7E at work across the surfaces designers actually ship.
:root {
--color-base: #397D7E;
--color-base-rgb: 57 125 126;
--color-base-oklch: oklch(54.7% 0.069 196.6);
--color-50: #F4FAFB;
--color-100: #E2F3F3;
--color-200: #C7E5E6;
--color-300: #9FCFD0;
--color-400: #7AB7B8;
--color-500: #599B9C;
--color-600: #497879;
--color-700: #385657;
--color-800: #27393A;
--color-900: #192424;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
myrtle-green: {
50: '#F4FAFB',
100: '#E2F3F3',
200: '#C7E5E6',
300: '#9FCFD0',
400: '#7AB7B8',
500: '#599B9C',
600: '#497879',
700: '#385657',
800: '#27393A',
900: '#192424',
},
}
$base: #397D7E; $base-ink: #FFFFFF; $base-50: #F4FAFB; $base-100: #E2F3F3; $base-200: #C7E5E6; $base-300: #9FCFD0; $base-400: #7AB7B8; $base-500: #599B9C; $base-600: #497879; $base-700: #385657; $base-800: #27393A; $base-900: #192424; $base-hover: #2E6465; $base-subtle: #C0DCDC;
{
"color": {
"base": {
"value": "#397D7E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FAFB",
"type": "color"
},
"100": {
"value": "#E2F3F3",
"type": "color"
},
"200": {
"value": "#C7E5E6",
"type": "color"
},
"300": {
"value": "#9FCFD0",
"type": "color"
},
"400": {
"value": "#7AB7B8",
"type": "color"
},
"500": {
"value": "#599B9C",
"type": "color"
},
"600": {
"value": "#497879",
"type": "color"
},
"700": {
"value": "#385657",
"type": "color"
},
"800": {
"value": "#27393A",
"type": "color"
},
"900": {
"value": "#192424",
"type": "color"
}
}
}
}