What color is #39CFDC?

#39CFDC is a medium, vivid cyan. In RGB it is rgb(57, 207, 220), and in HSL hsl(185, 70%, 54%).

Is #39CFDC accessible as text?

On white, #39CFDC has a contrast ratio of 1.89:1 (fails WCAG AA for body text); on black it is 11.13:1 (passes). For text placed on #39CFDC, use black for the best readability.

What is the closest Tailwind color to #39CFDC?

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

What colors go well with #39CFDC?

#39CFDC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DC4538. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #39CFDC below.

Is #39CFDC good for buttons?

#39CFDC works well for buttons and highlights, but use black text on #39CFDC — white text only reaches 1.89:1, below the 4.5:1 needed for normal-size labels.

Is #39CFDC the same as CSS darkturquoise?

No — #39CFDC is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#39CFDC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #39CFDC

Not just a swatch — here's how #39CFDC works with other colors. Named schemes with #39CFDC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #39CFDC 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 #39CFDC 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 #39CFDC Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #7DF5FF

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 #39CFDC Secondary #C6EFF3 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 #39CFDC 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 #39CFDC 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 18/100

Cool

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

Softness 61/100

High

Middle-weight — neither delicate nor heavy.

Depth 22/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 8/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 29/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 32/100

Low

Workable accent with care around contrast.

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #39CFDC

For UI

For branding

For interior

For fashion

People also use #39CFDC with

Light Green 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 9.8:1. Use

Subtle surface Use #DCF1F3 for cards and hover fills. Tint 80

Avoid beside #3897DC — 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 #39CFDC 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: #39CFDC;
  --color-base-rgb: 57 207 220;
  --color-base-oklch: oklch(78.4% 0.122 203.7);
  --color-50: #F1FCFD;
  --color-100: #DBF7FA;
  --color-200: #BAEEF3;
  --color-300: #8ADDE5;
  --color-400: #5FC9D3;
  --color-500: #3DAEB8;
  --color-600: #35858C;
  --color-700: #2B5F64;
  --color-800: #203E41;
  --color-900: #152628;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F1FCFD',
    100: '#DBF7FA',
    200: '#BAEEF3',
    300: '#8ADDE5',
    400: '#5FC9D3',
    500: '#3DAEB8',
    600: '#35858C',
    700: '#2B5F64',
    800: '#203E41',
    900: '#152628',
  },
}

$base: #39CFDC;
$base-ink: #141310;
$base-50: #F1FCFD;
$base-100: #DBF7FA;
$base-200: #BAEEF3;
$base-300: #8ADDE5;
$base-400: #5FC9D3;
$base-500: #3DAEB8;
$base-600: #35858C;
$base-700: #2B5F64;
$base-800: #203E41;
$base-900: #152628;
$base-hover: #21AEBB;
$base-subtle: #C9EBEF;

{
    "color": {
        "base": {
            "value": "#39CFDC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FCFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF7FA",
                "type": "color"
            },
            "200": {
                "value": "#BAEEF3",
                "type": "color"
            },
            "300": {
                "value": "#8ADDE5",
                "type": "color"
            },
            "400": {
                "value": "#5FC9D3",
                "type": "color"
            },
            "500": {
                "value": "#3DAEB8",
                "type": "color"
            },
            "600": {
                "value": "#35858C",
                "type": "color"
            },
            "700": {
                "value": "#2B5F64",
                "type": "color"
            },
            "800": {
                "value": "#203E41",
                "type": "color"
            },
            "900": {
                "value": "#152628",
                "type": "color"
            }
        }
    }
}