What color is #13D4EA?

#13D4EA is a medium, vivid cyan. In RGB it is rgb(19, 212, 234), and in HSL hsl(186, 85%, 50%).

Is #13D4EA accessible as text?

On white, #13D4EA has a contrast ratio of 1.81:1 (fails WCAG AA for body text); on black it is 11.63:1 (passes). For text placed on #13D4EA, use black for the best readability.

What is the closest Tailwind color to #13D4EA?

The nearest Tailwind CSS token is cyan-400 (#00D3F2).

What colors go well with #13D4EA?

#13D4EA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EC2913. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #13D4EA below.

Is #13D4EA good for buttons?

#13D4EA works well for buttons and highlights, but use black text on #13D4EA — white text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #13D4EA the same as CSS darkturquoise?

No — #13D4EA is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#13D4EA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #13D4EA

Not just a swatch — here's how #13D4EA works with other colors. Named schemes with #13D4EA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #13D4EA Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Lagoon Blue 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 #13D4EA Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #13D4EA Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #71FAFF

Lagoon Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lagoon Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #13D4EA Secondary #C6F4FB Support #979286 Ink #16140F

Lagoon Blue 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 Lagoon Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #13D4EA Anchor #372C1D Surface #EBE5D0 Accent #7F9D73 Secondary #3A3933

Lagoon Blue 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.

Build a working theme in the generator →

Color Lab

How #13D4EA 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 13/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 21/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 27/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 52/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 29/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 64/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #13D4EA

For UI

For branding

For interior

For fashion

People also use #13D4EA with

Medium Spring Green Neon Blue Vermilion Platinum Dark Slate Gray

UI roles & guardrails

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

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

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 10.3:1. Use

Subtle surface Use #D6F2F5 for cards and hover fills. Tint 80

Avoid beside #138EEC — 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 #13D4EA 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: #13D4EA;
  --color-base-rgb: 19 212 234;
  --color-base-oklch: oklch(79.7% 0.135 208.2);
  --color-50: #F0FDFE;
  --color-100: #D8F9FD;
  --color-200: #B4F2F9;
  --color-300: #81E3EE;
  --color-400: #53D1DF;
  --color-500: #30B6C5;
  --color-600: #2C8B96;
  --color-700: #25636A;
  --color-800: #1C4145;
  --color-900: #13282A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F0FDFE',
    100: '#D8F9FD',
    200: '#B4F2F9',
    300: '#81E3EE',
    400: '#53D1DF',
    500: '#30B6C5',
    600: '#2C8B96',
    700: '#25636A',
    800: '#1C4145',
    900: '#13282A',
  },
}

$base: #13D4EA;
$base-ink: #141310;
$base-50: #F0FDFE;
$base-100: #D8F9FD;
$base-200: #B4F2F9;
$base-300: #81E3EE;
$base-400: #53D1DF;
$base-500: #30B6C5;
$base-600: #2C8B96;
$base-700: #25636A;
$base-800: #1C4145;
$base-900: #13282A;
$base-hover: #0FABBD;
$base-subtle: #C0EDF1;

{
    "color": {
        "base": {
            "value": "#13D4EA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F9FD",
                "type": "color"
            },
            "200": {
                "value": "#B4F2F9",
                "type": "color"
            },
            "300": {
                "value": "#81E3EE",
                "type": "color"
            },
            "400": {
                "value": "#53D1DF",
                "type": "color"
            },
            "500": {
                "value": "#30B6C5",
                "type": "color"
            },
            "600": {
                "value": "#2C8B96",
                "type": "color"
            },
            "700": {
                "value": "#25636A",
                "type": "color"
            },
            "800": {
                "value": "#1C4145",
                "type": "color"
            },
            "900": {
                "value": "#13282A",
                "type": "color"
            }
        }
    }
}