#017AAE 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 #017AAE works with other colors. Named schemes with #017AAE 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 #017AAE 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 #017AAE at work across the surfaces designers actually ship.
:root {
--color-base: #017AAE;
--color-base-rgb: 1 122 174;
--color-base-oklch: oklch(54.9% 0.120 237.1);
--color-50: #F0FAFE;
--color-100: #D8F2FD;
--color-200: #B1E5FC;
--color-300: #78D1F7;
--color-400: #47BAEB;
--color-500: #239DD2;
--color-600: #237A9F;
--color-700: #1F576F;
--color-800: #193A48;
--color-900: #11242C;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F0FAFE',
100: '#D8F2FD',
200: '#B1E5FC',
300: '#78D1F7',
400: '#47BAEB',
500: '#239DD2',
600: '#237A9F',
700: '#1F576F',
800: '#193A48',
900: '#11242C',
},
}
$base: #017AAE; $base-ink: #FFFFFF; $base-50: #F0FAFE; $base-100: #D8F2FD; $base-200: #B1E5FC; $base-300: #78D1F7; $base-400: #47BAEB; $base-500: #239DD2; $base-600: #237A9F; $base-700: #1F576F; $base-800: #193A48; $base-900: #11242C; $base-hover: #01618A; $base-subtle: #A7DCF2;
{
"color": {
"base": {
"value": "#017AAE",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FAFE",
"type": "color"
},
"100": {
"value": "#D8F2FD",
"type": "color"
},
"200": {
"value": "#B1E5FC",
"type": "color"
},
"300": {
"value": "#78D1F7",
"type": "color"
},
"400": {
"value": "#47BAEB",
"type": "color"
},
"500": {
"value": "#239DD2",
"type": "color"
},
"600": {
"value": "#237A9F",
"type": "color"
},
"700": {
"value": "#1F576F",
"type": "color"
},
"800": {
"value": "#193A48",
"type": "color"
},
"900": {
"value": "#11242C",
"type": "color"
}
}
}
}