What color is #3FCCE2?

#3FCCE2 is a medium, vivid cyan. In RGB it is rgb(63, 204, 226), and in HSL hsl(188, 74%, 57%).

Is #3FCCE2 accessible as text?

On white, #3FCCE2 has a contrast ratio of 1.92:1 (fails WCAG AA for body text); on black it is 10.95:1 (passes). For text placed on #3FCCE2, use black for the best readability.

What is the closest Tailwind color to #3FCCE2?

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

What colors go well with #3FCCE2?

#3FCCE2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E25640. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FCCE2 below.

Is #3FCCE2 good for buttons?

#3FCCE2 works well for buttons and highlights, but use black text on #3FCCE2 — white text only reaches 1.92:1, below the 4.5:1 needed for normal-size labels.

Is #3FCCE2 the same as CSS darkturquoise?

No — #3FCCE2 is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#3FCCE2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FCCE2

Not just a swatch — here's how #3FCCE2 works with other colors. Named schemes with #3FCCE2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3FCCE2 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 #3FCCE2 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 #3FCCE2 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #7FF2FF

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 #3FCCE2 Secondary #C6EDF4 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 #3FCCE2 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 #3FCCE2 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 61/100

High

Middle-weight — neither delicate nor heavy.

Depth 22/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 5/100

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 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 33/100

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 #3FCCE2

For UI

For branding

For interior

For fashion

People also use #3FCCE2 with

Seafoam Green Royal Blue Cinnabar 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 9.7:1. Use

Subtle surface Use #DDF2F5 for cards and hover fills. Tint 80

Avoid beside #4097E2 — 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 #3FCCE2 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: #3FCCE2;
  --color-base-rgb: 63 204 226;
  --color-base-oklch: oklch(78.1% 0.120 210.2);
  --color-50: #F1FCFE;
  --color-100: #DBF6FB;
  --color-200: #B8ECF4;
  --color-300: #88DBE7;
  --color-400: #5CC6D6;
  --color-500: #39AABC;
  --color-600: #33838F;
  --color-700: #2A5D65;
  --color-800: #1F3D42;
  --color-900: #152629;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F1FCFE',
    100: '#DBF6FB',
    200: '#B8ECF4',
    300: '#88DBE7',
    400: '#5CC6D6',
    500: '#39AABC',
    600: '#33838F',
    700: '#2A5D65',
    800: '#1F3D42',
    900: '#152629',
  },
}

$base: #3FCCE2;
$base-ink: #141310;
$base-50: #F1FCFE;
$base-100: #DBF6FB;
$base-200: #B8ECF4;
$base-300: #88DBE7;
$base-400: #5CC6D6;
$base-500: #39AABC;
$base-600: #33838F;
$base-700: #2A5D65;
$base-800: #1F3D42;
$base-900: #152629;
$base-hover: #1EB3CA;
$base-subtle: #CCECF1;

{
    "color": {
        "base": {
            "value": "#3FCCE2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FCFE",
                "type": "color"
            },
            "100": {
                "value": "#DBF6FB",
                "type": "color"
            },
            "200": {
                "value": "#B8ECF4",
                "type": "color"
            },
            "300": {
                "value": "#88DBE7",
                "type": "color"
            },
            "400": {
                "value": "#5CC6D6",
                "type": "color"
            },
            "500": {
                "value": "#39AABC",
                "type": "color"
            },
            "600": {
                "value": "#33838F",
                "type": "color"
            },
            "700": {
                "value": "#2A5D65",
                "type": "color"
            },
            "800": {
                "value": "#1F3D42",
                "type": "color"
            },
            "900": {
                "value": "#152629",
                "type": "color"
            }
        }
    }
}