What color is #398E8A?

#398E8A is a dark teal. In RGB it is rgb(57, 142, 138), and in HSL hsl(177, 43%, 39%).

Is #398E8A accessible as text?

On white, #398E8A has a contrast ratio of 3.88:1 (fails WCAG AA for body text); on black it is 5.41:1 (passes). For text placed on #398E8A, use black for the best readability.

What is the closest Tailwind color to #398E8A?

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

What colors go well with #398E8A?

#398E8A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8E393D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #398E8A below.

Is #398E8A good for buttons?

#398E8A works well for buttons and highlights, but use black text on #398E8A — white text only reaches 3.88:1, below the 4.5:1 needed for normal-size labels.

Is #398E8A the same as CSS darkcyan?

No — #398E8A is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#398E8A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #398E8A

Not just a swatch — here's how #398E8A works with other colors. Named schemes with #398E8A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #398E8A 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 #398E8A Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 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 #398E8A Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #398E8A Anchor #382B1E Surface #ECE4D0 Accent #819C71 Secondary #3A3833

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 #398E8A Secondary #95AFAD 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 #398E8A 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 31/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

Low

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

Naturalness 18/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 58/100

Moderate

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

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 22/100

Low

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

UI accent fit 81/100

Very high

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

Surface fit 37/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #398E8A

For UI

For branding

For interior

For fashion

People also use #398E8A with

Medium Sea Green Lapis Lazuli Cordovan 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 4.8:1. Use

Subtle surface Use #D6EAE9 for cards and hover fills. Tint 80

Avoid beside #39768E — 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 #398E8A 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: #398E8A;
  --color-base-rgb: 57 142 138;
  --color-base-oklch: oklch(59.4% 0.081 190.9);
  --color-50: #F4FBFB;
  --color-100: #E1F4F3;
  --color-200: #C5E8E6;
  --color-300: #9CD3D1;
  --color-400: #75BDB9;
  --color-500: #55A09C;
  --color-600: #467C79;
  --color-700: #365957;
  --color-800: #263B3A;
  --color-900: #192424;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-cyan: {
    50: '#F4FBFB',
    100: '#E1F4F3',
    200: '#C5E8E6',
    300: '#9CD3D1',
    400: '#75BDB9',
    500: '#55A09C',
    600: '#467C79',
    700: '#365957',
    800: '#263B3A',
    900: '#192424',
  },
}

$base: #398E8A;
$base-ink: #141310;
$base-50: #F4FBFB;
$base-100: #E1F4F3;
$base-200: #C5E8E6;
$base-300: #9CD3D1;
$base-400: #75BDB9;
$base-500: #55A09C;
$base-600: #467C79;
$base-700: #365957;
$base-800: #263B3A;
$base-900: #192424;
$base-hover: #2D726E;
$base-subtle: #C1E0DE;

{
    "color": {
        "base": {
            "value": "#398E8A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFB",
                "type": "color"
            },
            "100": {
                "value": "#E1F4F3",
                "type": "color"
            },
            "200": {
                "value": "#C5E8E6",
                "type": "color"
            },
            "300": {
                "value": "#9CD3D1",
                "type": "color"
            },
            "400": {
                "value": "#75BDB9",
                "type": "color"
            },
            "500": {
                "value": "#55A09C",
                "type": "color"
            },
            "600": {
                "value": "#467C79",
                "type": "color"
            },
            "700": {
                "value": "#365957",
                "type": "color"
            },
            "800": {
                "value": "#263B3A",
                "type": "color"
            },
            "900": {
                "value": "#192424",
                "type": "color"
            }
        }
    }
}

Palettes built on #398E8A

Color Lab

Pairs with #398E8A

UI roles & guardrails

In real applications

Scales

Every model

Export