#037EA4 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 sits well as a supporting tone.
Not just a swatch — here's how #037EA4 works with other colors. Named schemes with #037EA4 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 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 sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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 #037EA4 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 #037EA4 at work across the surfaces designers actually ship.
:root {
--color-base: #037EA4;
--color-base-rgb: 3 126 164;
--color-base-oklch: oklch(55.4% 0.108 228.1);
--color-50: #F0FBFE;
--color-100: #D8F5FD;
--color-200: #B1EAFC;
--color-300: #7AD9F6;
--color-400: #4AC3E8;
--color-500: #26A7CF;
--color-600: #25819D;
--color-700: #215C6E;
--color-800: #193D48;
--color-900: #12262C;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F0FBFE',
100: '#D8F5FD',
200: '#B1EAFC',
300: '#7AD9F6',
400: '#4AC3E8',
500: '#26A7CF',
600: '#25819D',
700: '#215C6E',
800: '#193D48',
900: '#12262C',
},
}
$base: #037EA4; $base-ink: #FFFFFF; $base-50: #F0FBFE; $base-100: #D8F5FD; $base-200: #B1EAFC; $base-300: #7AD9F6; $base-400: #4AC3E8; $base-500: #26A7CF; $base-600: #25819D; $base-700: #215C6E; $base-800: #193D48; $base-900: #12262C; $base-hover: #036684; $base-subtle: #A6E0F1;
{
"color": {
"base": {
"value": "#037EA4",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FBFE",
"type": "color"
},
"100": {
"value": "#D8F5FD",
"type": "color"
},
"200": {
"value": "#B1EAFC",
"type": "color"
},
"300": {
"value": "#7AD9F6",
"type": "color"
},
"400": {
"value": "#4AC3E8",
"type": "color"
},
"500": {
"value": "#26A7CF",
"type": "color"
},
"600": {
"value": "#25819D",
"type": "color"
},
"700": {
"value": "#215C6E",
"type": "color"
},
"800": {
"value": "#193D48",
"type": "color"
},
"900": {
"value": "#12262C",
"type": "color"
}
}
}
}