#045654 is a mid-toned, cool cyan. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #045654 works with other colors. Named schemes with #045654 in its natural role, and a note on why the supporting colors balance it.
Dark Slate Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Dark Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Dark Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Dark Slate Gray 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 Dark Slate Gray carrying the quiet middle.
How #045654 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 #045654 at work across the surfaces designers actually ship.
:root {
--color-base: #045654;
--color-base-rgb: 4 86 84;
--color-base-oklch: oklch(41.0% 0.069 192.0);
--color-50: #F0FEFE;
--color-100: #D8FDFD;
--color-200: #B1FBFA;
--color-300: #7DF2F0;
--color-400: #4EE4E2;
--color-500: #2ACBC8;
--color-600: #289A98;
--color-700: #236C6B;
--color-800: #1B4646;
--color-900: #122B2B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-gray: {
50: '#F0FEFE',
100: '#D8FDFD',
200: '#B1FBFA',
300: '#7DF2F0',
400: '#4EE4E2',
500: '#2ACBC8',
600: '#289A98',
700: '#236C6B',
800: '#1B4646',
900: '#122B2B',
},
}
$base: #045654; $base-ink: #FFFFFF; $base-50: #F0FEFE; $base-100: #D8FDFD; $base-200: #B1FBFA; $base-300: #7DF2F0; $base-400: #4EE4E2; $base-500: #2ACBC8; $base-600: #289A98; $base-700: #236C6B; $base-800: #1B4646; $base-900: #122B2B; $base-hover: #034645; $base-subtle: #95ECEA;
{
"color": {
"base": {
"value": "#045654",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFE",
"type": "color"
},
"100": {
"value": "#D8FDFD",
"type": "color"
},
"200": {
"value": "#B1FBFA",
"type": "color"
},
"300": {
"value": "#7DF2F0",
"type": "color"
},
"400": {
"value": "#4EE4E2",
"type": "color"
},
"500": {
"value": "#2ACBC8",
"type": "color"
},
"600": {
"value": "#289A98",
"type": "color"
},
"700": {
"value": "#236C6B",
"type": "color"
},
"800": {
"value": "#1B4646",
"type": "color"
},
"900": {
"value": "#122B2B",
"type": "color"
}
}
}
}