#297DAA 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 #297DAA works with other colors. Named schemes with #297DAA 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 #297DAA 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 #297DAA at work across the surfaces designers actually ship.
:root {
--color-base: #297DAA;
--color-base-rgb: 41 125 170;
--color-base-oklch: oklch(56.1% 0.105 236.8);
--color-50: #F2F9FC;
--color-100: #DDEFF8;
--color-200: #BDDEEF;
--color-300: #90C3DF;
--color-400: #67A8CB;
--color-500: #458BB0;
--color-600: #3B6C87;
--color-700: #2F4F60;
--color-800: #22353F;
--color-900: #162127;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F2F9FC',
100: '#DDEFF8',
200: '#BDDEEF',
300: '#90C3DF',
400: '#67A8CB',
500: '#458BB0',
600: '#3B6C87',
700: '#2F4F60',
800: '#22353F',
900: '#162127',
},
}
$base: #297DAA; $base-ink: #141310; $base-50: #F2F9FC; $base-100: #DDEFF8; $base-200: #BDDEEF; $base-300: #90C3DF; $base-400: #67A8CB; $base-500: #458BB0; $base-600: #3B6C87; $base-700: #2F4F60; $base-800: #22353F; $base-900: #162127; $base-hover: #216387; $base-subtle: #BDD8E7;
{
"color": {
"base": {
"value": "#297DAA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FC",
"type": "color"
},
"100": {
"value": "#DDEFF8",
"type": "color"
},
"200": {
"value": "#BDDEEF",
"type": "color"
},
"300": {
"value": "#90C3DF",
"type": "color"
},
"400": {
"value": "#67A8CB",
"type": "color"
},
"500": {
"value": "#458BB0",
"type": "color"
},
"600": {
"value": "#3B6C87",
"type": "color"
},
"700": {
"value": "#2F4F60",
"type": "color"
},
"800": {
"value": "#22353F",
"type": "color"
},
"900": {
"value": "#162127",
"type": "color"
}
}
}
}