#4E738D is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #4E738D works with other colors. Named schemes with #4E738D 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 #4E738D 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 #4E738D at work across the surfaces designers actually ship.
:root {
--color-base: #4E738D;
--color-base-rgb: 78 115 141;
--color-base-oklch: oklch(53.8% 0.059 239.9);
--color-50: #F5F8FA;
--color-100: #E4ECF1;
--color-200: #CAD8E2;
--color-300: #A5BBCA;
--color-400: #819DB1;
--color-500: #617F94;
--color-600: #4F6473;
--color-700: #3C4953;
--color-800: #293237;
--color-900: #1B1F23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F5F8FA',
100: '#E4ECF1',
200: '#CAD8E2',
300: '#A5BBCA',
400: '#819DB1',
500: '#617F94',
600: '#4F6473',
700: '#3C4953',
800: '#293237',
900: '#1B1F23',
},
}
$base: #4E738D; $base-ink: #FFFFFF; $base-50: #F5F8FA; $base-100: #E4ECF1; $base-200: #CAD8E2; $base-300: #A5BBCA; $base-400: #819DB1; $base-500: #617F94; $base-600: #4F6473; $base-700: #3C4953; $base-800: #293237; $base-900: #1B1F23; $base-hover: #3E5C71; $base-subtle: #CAD5DD;
{
"color": {
"base": {
"value": "#4E738D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F8FA",
"type": "color"
},
"100": {
"value": "#E4ECF1",
"type": "color"
},
"200": {
"value": "#CAD8E2",
"type": "color"
},
"300": {
"value": "#A5BBCA",
"type": "color"
},
"400": {
"value": "#819DB1",
"type": "color"
},
"500": {
"value": "#617F94",
"type": "color"
},
"600": {
"value": "#4F6473",
"type": "color"
},
"700": {
"value": "#3C4953",
"type": "color"
},
"800": {
"value": "#293237",
"type": "color"
},
"900": {
"value": "#1B1F23",
"type": "color"
}
}
}
}