What color is #30C0D9?

#30C0D9 is a medium cyan. In RGB it is rgb(48, 192, 217), and in HSL hsl(189, 69%, 52%).

Is #30C0D9 accessible as text?

On white, #30C0D9 has a contrast ratio of 2.17:1 (fails WCAG AA for body text); on black it is 9.67:1 (passes). For text placed on #30C0D9, use black for the best readability.

What is the closest Tailwind color to #30C0D9?

The nearest Tailwind CSS token is cyan-500 (#00B8DB).

What colors go well with #30C0D9?

#30C0D9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D94930. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #30C0D9 below.

Is #30C0D9 good for buttons?

#30C0D9 works well for buttons and highlights, but use black text on #30C0D9 — white text only reaches 2.17:1, below the 4.5:1 needed for normal-size labels.

Is #30C0D9 the same as CSS darkturquoise?

No — #30C0D9 is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#30C0D9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #30C0D9

Not just a swatch — here's how #30C0D9 works with other colors. Named schemes with #30C0D9 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #30C0D9 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 #30C0D9 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 #30C0D9 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #74E6FD

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 #30C0D9 Secondary #BBE1EA 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 #30C0D9 Anchor #372C1D Surface #EBE5D0 Accent #7E9D74 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 #30C0D9 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 16/100

Cool

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

Softness 58/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 26/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 33/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 44/100

Moderate

Workable accent with care around contrast.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #30C0D9

For UI

For branding

For interior

For fashion

People also use #30C0D9 with

Medium Aquamarine Royal 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 8.6:1. Use

Subtle surface Use #DAEFF3 for cards and hover fills. Tint 80

Avoid beside #3087D9 — 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 #30C0D9 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: #30C0D9;
  --color-base-rgb: 48 192 217;
  --color-base-oklch: oklch(74.6% 0.120 212.5);
  --color-50: #F2FBFD;
  --color-100: #DCF5F9;
  --color-200: #BAEAF2;
  --color-300: #8BD7E4;
  --color-400: #60C1D2;
  --color-500: #3EA5B7;
  --color-600: #367F8C;
  --color-700: #2C5B63;
  --color-800: #203C41;
  --color-900: #152528;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F2FBFD',
    100: '#DCF5F9',
    200: '#BAEAF2',
    300: '#8BD7E4',
    400: '#60C1D2',
    500: '#3EA5B7',
    600: '#367F8C',
    700: '#2C5B63',
    800: '#203C41',
    900: '#152528',
  },
}

$base: #30C0D9;
$base-ink: #141310;
$base-50: #F2FBFD;
$base-100: #DCF5F9;
$base-200: #BAEAF2;
$base-300: #8BD7E4;
$base-400: #60C1D2;
$base-500: #3EA5B7;
$base-600: #367F8C;
$base-700: #2C5B63;
$base-800: #203C41;
$base-900: #152528;
$base-hover: #219DB3;
$base-subtle: #C7E8EE;

{
    "color": {
        "base": {
            "value": "#30C0D9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DCF5F9",
                "type": "color"
            },
            "200": {
                "value": "#BAEAF2",
                "type": "color"
            },
            "300": {
                "value": "#8BD7E4",
                "type": "color"
            },
            "400": {
                "value": "#60C1D2",
                "type": "color"
            },
            "500": {
                "value": "#3EA5B7",
                "type": "color"
            },
            "600": {
                "value": "#367F8C",
                "type": "color"
            },
            "700": {
                "value": "#2C5B63",
                "type": "color"
            },
            "800": {
                "value": "#203C41",
                "type": "color"
            },
            "900": {
                "value": "#152528",
                "type": "color"
            }
        }
    }
}

Palettes built on #30C0D9

Color Lab

Pairs with #30C0D9

UI roles & guardrails

In real applications

Scales

Every model

Export