#256FA4 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 #256FA4 works with other colors. Named schemes with #256FA4 in its natural role, and a note on why the supporting colors balance it.
Lapis Lazuli opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Lapis Lazuli is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lapis Lazuli.
Lapis Lazuli plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Lapis Lazuli sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.
How #256FA4 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 #256FA4 at work across the surfaces designers actually ship.
:root {
--color-base: #256FA4;
--color-base-rgb: 37 111 164;
--color-base-oklch: oklch(52.2% 0.110 244.2);
--color-50: #F2F8FD;
--color-100: #DDEDF8;
--color-200: #BDDAF0;
--color-300: #8FBEE0;
--color-400: #65A2CD;
--color-500: #4384B2;
--color-600: #3A6788;
--color-700: #2E4C61;
--color-800: #213340;
--color-900: #162027;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
lapis-lazuli: {
50: '#F2F8FD',
100: '#DDEDF8',
200: '#BDDAF0',
300: '#8FBEE0',
400: '#65A2CD',
500: '#4384B2',
600: '#3A6788',
700: '#2E4C61',
800: '#213340',
900: '#162027',
},
}
$base: #256FA4; $base-ink: #FFFFFF; $base-50: #F2F8FD; $base-100: #DDEDF8; $base-200: #BDDAF0; $base-300: #8FBEE0; $base-400: #65A2CD; $base-500: #4384B2; $base-600: #3A6788; $base-700: #2E4C61; $base-800: #213340; $base-900: #162027; $base-hover: #1D5882; $base-subtle: #BAD4E7;
{
"color": {
"base": {
"value": "#256FA4",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F8FD",
"type": "color"
},
"100": {
"value": "#DDEDF8",
"type": "color"
},
"200": {
"value": "#BDDAF0",
"type": "color"
},
"300": {
"value": "#8FBEE0",
"type": "color"
},
"400": {
"value": "#65A2CD",
"type": "color"
},
"500": {
"value": "#4384B2",
"type": "color"
},
"600": {
"value": "#3A6788",
"type": "color"
},
"700": {
"value": "#2E4C61",
"type": "color"
},
"800": {
"value": "#213340",
"type": "color"
},
"900": {
"value": "#162027",
"type": "color"
}
}
}
}