What color is #318C8A?

#318C8A is a dark cyan. In RGB it is rgb(49, 140, 138), and in HSL hsl(179, 48%, 37%).

Is #318C8A accessible as text?

On white, #318C8A has a contrast ratio of 4.00:1 (fails WCAG AA for body text); on black it is 5.25:1 (passes). For text placed on #318C8A, use black for the best readability.

What is the closest Tailwind color to #318C8A?

The nearest Tailwind CSS token is teal-600 (#009689).

What colors go well with #318C8A?

#318C8A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8C3133. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #318C8A below.

Is #318C8A good for buttons?

#318C8A works well for buttons and highlights, but use black text on #318C8A — white text only reaches 4.00:1, below the 4.5:1 needed for normal-size labels.

Is #318C8A the same as CSS darkcyan?

No — #318C8A is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#318C8A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #318C8A

Not just a swatch — here's how #318C8A works with other colors. Named schemes with #318C8A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #318C8A Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Dark Cyan opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #318C8A Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A4 Anchor #2E3236

Dark Cyan keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #318C8A Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552340

Dark Cyan plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #318C8A Anchor #382B1E Surface #ECE4D0 Accent #819C72 Secondary #3A3933

Dark Cyan 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #318C8A Secondary #92ADAC Support #979286 Ink #16140F

Dark Cyan 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 Cyan carrying the quiet middle.

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Color Lab

How #318C8A 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.

Warmth 30/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 16/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 59/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 23/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 83/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #318C8A

For UI

For branding

For interior

For fashion

People also use #318C8A with

Jade Green Lapis Lazuli Burnt Umber Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.6:1. Use

Subtle surface Use #D4EAEA for cards and hover fills. Tint 80

Avoid beside #316F8C — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #318C8A at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #318C8A;
  --color-base-rgb: 49 140 138;
  --color-base-oklch: oklch(58.7% 0.084 193.0);
  --color-50: #F3FBFB;
  --color-100: #E0F5F5;
  --color-200: #C3EAE9;
  --color-300: #99D7D6;
  --color-400: #71C1BF;
  --color-500: #50A5A3;
  --color-600: #437F7E;
  --color-700: #345B5A;
  --color-800: #253C3C;
  --color-900: #182525;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-cyan: {
    50: '#F3FBFB',
    100: '#E0F5F5',
    200: '#C3EAE9',
    300: '#99D7D6',
    400: '#71C1BF',
    500: '#50A5A3',
    600: '#437F7E',
    700: '#345B5A',
    800: '#253C3C',
    900: '#182525',
  },
}

$base: #318C8A;
$base-ink: #141310;
$base-50: #F3FBFB;
$base-100: #E0F5F5;
$base-200: #C3EAE9;
$base-300: #99D7D6;
$base-400: #71C1BF;
$base-500: #50A5A3;
$base-600: #437F7E;
$base-700: #345B5A;
$base-800: #253C3C;
$base-900: #182525;
$base-hover: #27706F;
$base-subtle: #BDE0E0;

{
    "color": {
        "base": {
            "value": "#318C8A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBFB",
                "type": "color"
            },
            "100": {
                "value": "#E0F5F5",
                "type": "color"
            },
            "200": {
                "value": "#C3EAE9",
                "type": "color"
            },
            "300": {
                "value": "#99D7D6",
                "type": "color"
            },
            "400": {
                "value": "#71C1BF",
                "type": "color"
            },
            "500": {
                "value": "#50A5A3",
                "type": "color"
            },
            "600": {
                "value": "#437F7E",
                "type": "color"
            },
            "700": {
                "value": "#345B5A",
                "type": "color"
            },
            "800": {
                "value": "#253C3C",
                "type": "color"
            },
            "900": {
                "value": "#182525",
                "type": "color"
            }
        }
    }
}

Palettes built on #318C8A

Color Lab

Pairs with #318C8A

UI roles & guardrails

In real applications

Scales

Every model

Export