#04719F 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 #04719F works with other colors. Named schemes with #04719F 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 #04719F 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 #04719F at work across the surfaces designers actually ship.
:root {
--color-base: #04719F;
--color-base-rgb: 4 113 159;
--color-base-oklch: oklch(51.9% 0.110 235.9);
--color-50: #F0FAFE;
--color-100: #D8F2FD;
--color-200: #B1E5FC;
--color-300: #7AD0F5;
--color-400: #4AB8E8;
--color-500: #279CCE;
--color-600: #26799C;
--color-700: #21576E;
--color-800: #1A3A47;
--color-900: #12242B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
lapis-lazuli: {
50: '#F0FAFE',
100: '#D8F2FD',
200: '#B1E5FC',
300: '#7AD0F5',
400: '#4AB8E8',
500: '#279CCE',
600: '#26799C',
700: '#21576E',
800: '#1A3A47',
900: '#12242B',
},
}
$base: #04719F; $base-ink: #FFFFFF; $base-50: #F0FAFE; $base-100: #D8F2FD; $base-200: #B1E5FC; $base-300: #7AD0F5; $base-400: #4AB8E8; $base-500: #279CCE; $base-600: #26799C; $base-700: #21576E; $base-800: #1A3A47; $base-900: #12242B; $base-hover: #035A7F; $base-subtle: #A5DAF1;
{
"color": {
"base": {
"value": "#04719F",
"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": "#7AD0F5",
"type": "color"
},
"400": {
"value": "#4AB8E8",
"type": "color"
},
"500": {
"value": "#279CCE",
"type": "color"
},
"600": {
"value": "#26799C",
"type": "color"
},
"700": {
"value": "#21576E",
"type": "color"
},
"800": {
"value": "#1A3A47",
"type": "color"
},
"900": {
"value": "#12242B",
"type": "color"
}
}
}
}