What color is #12CBEC?

#12CBEC is a medium, vivid cyan. In RGB it is rgb(18, 203, 236), and in HSL hsl(189, 86%, 50%).

Is #12CBEC accessible as text?

On white, #12CBEC has a contrast ratio of 1.95:1 (fails WCAG AA for body text); on black it is 10.78:1 (passes). For text placed on #12CBEC, use black for the best readability.

What is the closest Tailwind color to #12CBEC?

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

What colors go well with #12CBEC?

#12CBEC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #ED3312. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #12CBEC below.

Is #12CBEC good for buttons?

#12CBEC works well for buttons and highlights, but use black text on #12CBEC — white text only reaches 1.95:1, below the 4.5:1 needed for normal-size labels.

Is #12CBEC the same as CSS darkturquoise?

No — #12CBEC is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#12CBEC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #12CBEC

Not just a swatch — here's how #12CBEC works with other colors. Named schemes with #12CBEC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #12CBEC Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

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 #12CBEC Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 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 #12CBEC Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #6EF1FF

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 #12CBEC Secondary #C1ECF7 Support #969386 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 #12CBEC Anchor #372C1D Surface #EBE5D0 Accent #7E9D74 Secondary #393933

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 #12CBEC 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 11/100

Cool

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

Softness 58/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 23/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 29/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 52/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 35/100

Low

Workable accent with care around contrast.

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #12CBEC

For UI

For branding

For interior

For fashion

People also use #12CBEC 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 9.5:1. Use

Subtle surface Use #D6F1F5 for cards and hover fills. Tint 80

Avoid beside #1283ED — 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 #12CBEC 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: #12CBEC;
  --color-base-rgb: 18 203 236;
  --color-base-oklch: oklch(77.6% 0.135 215.3);
  --color-50: #F0FCFE;
  --color-100: #D8F8FD;
  --color-200: #B3EFF9;
  --color-300: #80DEEF;
  --color-400: #52CBE0;
  --color-500: #2FAFC6;
  --color-600: #2B8696;
  --color-700: #25606A;
  --color-800: #1C3F45;
  --color-900: #13272A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F0FCFE',
    100: '#D8F8FD',
    200: '#B3EFF9',
    300: '#80DEEF',
    400: '#52CBE0',
    500: '#2FAFC6',
    600: '#2B8696',
    700: '#25606A',
    800: '#1C3F45',
    900: '#13272A',
  },
}

$base: #12CBEC;
$base-ink: #141310;
$base-50: #F0FCFE;
$base-100: #D8F8FD;
$base-200: #B3EFF9;
$base-300: #80DEEF;
$base-400: #52CBE0;
$base-500: #2FAFC6;
$base-600: #2B8696;
$base-700: #25606A;
$base-800: #1C3F45;
$base-900: #13272A;
$base-hover: #0EA3BE;
$base-subtle: #C0EAF2;

{
    "color": {
        "base": {
            "value": "#12CBEC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FCFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F8FD",
                "type": "color"
            },
            "200": {
                "value": "#B3EFF9",
                "type": "color"
            },
            "300": {
                "value": "#80DEEF",
                "type": "color"
            },
            "400": {
                "value": "#52CBE0",
                "type": "color"
            },
            "500": {
                "value": "#2FAFC6",
                "type": "color"
            },
            "600": {
                "value": "#2B8696",
                "type": "color"
            },
            "700": {
                "value": "#25606A",
                "type": "color"
            },
            "800": {
                "value": "#1C3F45",
                "type": "color"
            },
            "900": {
                "value": "#13272A",
                "type": "color"
            }
        }
    }
}