#397599 is a mid-toned, cool blue. On the Color Lab it reads clean and engineered, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #397599 works with other colors. Named schemes with #397599 in its natural role, and a note on why the supporting colors balance it.
Teal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Teal Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Teal Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Teal Blue.
Teal Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Teal Blue 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 Teal Blue carrying the quiet middle.
How #397599 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 #397599 at work across the surfaces designers actually ship.
:root {
--color-base: #397599;
--color-base-rgb: 57 117 153;
--color-base-oklch: oklch(53.8% 0.084 237.5);
--color-50: #F3F8FB;
--color-100: #E1EDF5;
--color-200: #C4DBE9;
--color-300: #9ABFD5;
--color-400: #73A2BF;
--color-500: #5284A3;
--color-600: #44687E;
--color-700: #354C5A;
--color-800: #25333C;
--color-900: #182025;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F3F8FB',
100: '#E1EDF5',
200: '#C4DBE9',
300: '#9ABFD5',
400: '#73A2BF',
500: '#5284A3',
600: '#44687E',
700: '#354C5A',
800: '#25333C',
900: '#182025',
},
}
$base: #397599; $base-ink: #FFFFFF; $base-50: #F3F8FB; $base-100: #E1EDF5; $base-200: #C4DBE9; $base-300: #9ABFD5; $base-400: #73A2BF; $base-500: #5284A3; $base-600: #44687E; $base-700: #354C5A; $base-800: #25333C; $base-900: #182025; $base-hover: #2D5D7A; $base-subtle: #C2D6E2;
{
"color": {
"base": {
"value": "#397599",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F8FB",
"type": "color"
},
"100": {
"value": "#E1EDF5",
"type": "color"
},
"200": {
"value": "#C4DBE9",
"type": "color"
},
"300": {
"value": "#9ABFD5",
"type": "color"
},
"400": {
"value": "#73A2BF",
"type": "color"
},
"500": {
"value": "#5284A3",
"type": "color"
},
"600": {
"value": "#44687E",
"type": "color"
},
"700": {
"value": "#354C5A",
"type": "color"
},
"800": {
"value": "#25333C",
"type": "color"
},
"900": {
"value": "#182025",
"type": "color"
}
}
}
}