What color is #11D4E6?

#11D4E6 is a medium, vivid cyan. In RGB it is rgb(17, 212, 230), and in HSL hsl(185, 86%, 48%).

Is #11D4E6 accessible as text?

On white, #11D4E6 has a contrast ratio of 1.81:1 (fails WCAG AA for body text); on black it is 11.58:1 (passes). For text placed on #11D4E6, use black for the best readability.

What is the closest Tailwind color to #11D4E6?

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

What colors go well with #11D4E6?

#11D4E6 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E42311. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #11D4E6 below.

Is #11D4E6 good for buttons?

#11D4E6 works well for buttons and highlights, but use black text on #11D4E6 — white text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #11D4E6 the same as CSS darkturquoise?

No — #11D4E6 is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#11D4E6 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #11D4E6

Not just a swatch — here's how #11D4E6 works with other colors. Named schemes with #11D4E6 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #11D4E6 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Dark Turquoise 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 #11D4E6 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Dark Turquoise 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 #11D4E6 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #71FAFF

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #11D4E6 Secondary #C6F3F9 Support #979286 Ink #16140F

Dark Turquoise 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 Turquoise carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #11D4E6 Anchor #372C1D Surface #EBE5D0 Accent #7F9D73 Secondary #3A3933

Dark Turquoise 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 #11D4E6 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 14/100

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 7/100

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 30/100

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 #11D4E6

For UI

For branding

For interior

For fashion

People also use #11D4E6 with

Medium Spring Green Neon Blue Fire Engine Red 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 10.2:1. Use

Subtle surface Use #D4F2F5 for cards and hover fills. Tint 80

Avoid beside #118CE4 — 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 #11D4E6 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #11D4E6;
  --color-base-rgb: 17 212 230;
  --color-base-oklch: oklch(79.5% 0.134 205.8);
  --color-50: #F0FDFE;
  --color-100: #D8FAFD;
  --color-200: #B3F3F9;
  --color-300: #80E6EF;
  --color-400: #52D4E0;
  --color-500: #2FB9C6;
  --color-600: #2B8E96;
  --color-700: #25646A;
  --color-800: #1C4245;
  --color-900: #13282A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-turquoise: {
    50: '#F0FDFE',
    100: '#D8FAFD',
    200: '#B3F3F9',
    300: '#80E6EF',
    400: '#52D4E0',
    500: '#2FB9C6',
    600: '#2B8E96',
    700: '#25646A',
    800: '#1C4245',
    900: '#13282A',
  },
}

$base: #11D4E6;
$base-ink: #141310;
$base-50: #F0FDFE;
$base-100: #D8FAFD;
$base-200: #B3F3F9;
$base-300: #80E6EF;
$base-400: #52D4E0;
$base-500: #2FB9C6;
$base-600: #2B8E96;
$base-700: #25646A;
$base-800: #1C4245;
$base-900: #13282A;
$base-hover: #0EA8B6;
$base-subtle: #BDEDF1;

{
    "color": {
        "base": {
            "value": "#11D4E6",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D8FAFD",
                "type": "color"
            },
            "200": {
                "value": "#B3F3F9",
                "type": "color"
            },
            "300": {
                "value": "#80E6EF",
                "type": "color"
            },
            "400": {
                "value": "#52D4E0",
                "type": "color"
            },
            "500": {
                "value": "#2FB9C6",
                "type": "color"
            },
            "600": {
                "value": "#2B8E96",
                "type": "color"
            },
            "700": {
                "value": "#25646A",
                "type": "color"
            },
            "800": {
                "value": "#1C4245",
                "type": "color"
            },
            "900": {
                "value": "#13282A",
                "type": "color"
            }
        }
    }
}