#457DCD is a mid-toned, cool indigo. 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 #457DCD works with other colors. Named schemes with #457DCD in its natural role, and a note on why the supporting colors balance it.
Steel Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Steel 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 Steel Blue.
Steel 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.
Steel Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Steel 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 Steel Blue carrying the quiet middle.
How #457DCD 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 #457DCD at work across the surfaces designers actually ship.
:root {
--color-base: #457DCD;
--color-base-rgb: 69 125 205;
--color-base-oklch: oklch(59.0% 0.137 257.5);
--color-50: #F2F7FC;
--color-100: #DEE9F7;
--color-200: #BFD2EE;
--color-300: #92B1DD;
--color-400: #6991C9;
--color-500: #4772AD;
--color-600: #3D5B85;
--color-700: #30435F;
--color-800: #232E3E;
--color-900: #171D26;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F2F7FC',
100: '#DEE9F7',
200: '#BFD2EE',
300: '#92B1DD',
400: '#6991C9',
500: '#4772AD',
600: '#3D5B85',
700: '#30435F',
800: '#232E3E',
900: '#171D26',
},
}
$base: #457DCD; $base-ink: #141310; $base-50: #F2F7FC; $base-100: #DEE9F7; $base-200: #BFD2EE; $base-300: #92B1DD; $base-400: #6991C9; $base-500: #4772AD; $base-600: #3D5B85; $base-700: #30435F; $base-800: #232E3E; $base-900: #171D26; $base-hover: #2E64AE; $base-subtle: #CCD9EB;
{
"color": {
"base": {
"value": "#457DCD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F7FC",
"type": "color"
},
"100": {
"value": "#DEE9F7",
"type": "color"
},
"200": {
"value": "#BFD2EE",
"type": "color"
},
"300": {
"value": "#92B1DD",
"type": "color"
},
"400": {
"value": "#6991C9",
"type": "color"
},
"500": {
"value": "#4772AD",
"type": "color"
},
"600": {
"value": "#3D5B85",
"type": "color"
},
"700": {
"value": "#30435F",
"type": "color"
},
"800": {
"value": "#232E3E",
"type": "color"
},
"900": {
"value": "#171D26",
"type": "color"
}
}
}
}