#0E577F is a mid-toned, cool blue. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #0E577F works with other colors. Named schemes with #0E577F in its natural role, and a note on why the supporting colors balance it.
Classic Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Classic 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 Classic Blue.
Classic 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.
Classic Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Classic 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 Classic Blue carrying the quiet middle.
How #0E577F 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 #0E577F at work across the surfaces designers actually ship.
:root {
--color-base: #0E577F;
--color-base-rgb: 14 87 127;
--color-base-oklch: oklch(43.6% 0.093 239.7);
--color-50: #F1F9FE;
--color-100: #D9F0FC;
--color-200: #B6E0F7;
--color-300: #84C7EB;
--color-400: #57ADDB;
--color-500: #3490C1;
--color-600: #2F7093;
--color-700: #275168;
--color-800: #1D3644;
--color-900: #142229;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
classic-blue: {
50: '#F1F9FE',
100: '#D9F0FC',
200: '#B6E0F7',
300: '#84C7EB',
400: '#57ADDB',
500: '#3490C1',
600: '#2F7093',
700: '#275168',
800: '#1D3644',
900: '#142229',
},
}
$base: #0E577F; $base-ink: #FFFFFF; $base-50: #F1F9FE; $base-100: #D9F0FC; $base-200: #B6E0F7; $base-300: #84C7EB; $base-400: #57ADDB; $base-500: #3490C1; $base-600: #2F7093; $base-700: #275168; $base-800: #1D3644; $base-900: #142229; $base-hover: #0B4767; $base-subtle: #A6D2E9;
{
"color": {
"base": {
"value": "#0E577F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F9FE",
"type": "color"
},
"100": {
"value": "#D9F0FC",
"type": "color"
},
"200": {
"value": "#B6E0F7",
"type": "color"
},
"300": {
"value": "#84C7EB",
"type": "color"
},
"400": {
"value": "#57ADDB",
"type": "color"
},
"500": {
"value": "#3490C1",
"type": "color"
},
"600": {
"value": "#2F7093",
"type": "color"
},
"700": {
"value": "#275168",
"type": "color"
},
"800": {
"value": "#1D3644",
"type": "color"
},
"900": {
"value": "#142229",
"type": "color"
}
}
}
}