What color is #4BC4E9?

#4BC4E9 is a medium, vivid cyan. In RGB it is rgb(75, 196, 233), and in HSL hsl(194, 78%, 60%).

Is #4BC4E9 accessible as text?

On white, #4BC4E9 has a contrast ratio of 2.02:1 (fails WCAG AA for body text); on black it is 10.37:1 (passes). For text placed on #4BC4E9, use black for the best readability.

What is the closest Tailwind color to #4BC4E9?

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

What colors go well with #4BC4E9?

#4BC4E9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E96F49. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4BC4E9 below.

Is #4BC4E9 good for buttons?

#4BC4E9 works well for buttons and highlights, but use black text on #4BC4E9 — white text only reaches 2.02:1, below the 4.5:1 needed for normal-size labels.

Is #4BC4E9 the same as CSS deepskyblue?

No — #4BC4E9 is not the CSS named color deepskyblue, but deepskyblue (#00BFFF) is the closest CSS named color.

#4BC4E9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4BC4E9

Not just a swatch — here's how #4BC4E9 works with other colors. Named schemes with #4BC4E9 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4BC4E9 Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E354A

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 #4BC4E9 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 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 #4BC4E9 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #84EAFF

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 #4BC4E9 Secondary #C4E7F4 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 #4BC4E9 Anchor #372C1D Surface #EBE5D0 Accent #7D9D75 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 #4BC4E9 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 15/100

Cool

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

Softness 60/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 23/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 31/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 37/100

Low

Workable accent with care around contrast.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4BC4E9

For UI

For branding

For interior

For fashion

People also use #4BC4E9 with

Seafoam Green Royal Blue Terracotta 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 9.2:1. Use

Subtle surface Use #DFF1F6 for cards and hover fills. Tint 80

Avoid beside #498EE9 — 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 #4BC4E9 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #4BC4E9;
  --color-base-rgb: 75 196 233;
  --color-base-oklch: oklch(76.8% 0.118 221.9);
  --color-50: #F1FBFE;
  --color-100: #DAF4FB;
  --color-200: #B6E7F6;
  --color-300: #85D2EA;
  --color-400: #58BBDA;
  --color-500: #369FBF;
  --color-600: #307B91;
  --color-700: #285867;
  --color-800: #1E3A43;
  --color-900: #142429;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F1FBFE',
    100: '#DAF4FB',
    200: '#B6E7F6',
    300: '#85D2EA',
    400: '#58BBDA',
    500: '#369FBF',
    600: '#307B91',
    700: '#285867',
    800: '#1E3A43',
    900: '#142429',
  },
}

$base: #4BC4E9;
$base-ink: #141310;
$base-50: #F1FBFE;
$base-100: #DAF4FB;
$base-200: #B6E7F6;
$base-300: #85D2EA;
$base-400: #58BBDA;
$base-500: #369FBF;
$base-600: #307B91;
$base-700: #285867;
$base-800: #1E3A43;
$base-900: #142429;
$base-hover: #1BADDA;
$base-subtle: #CEEAF3;

{
    "color": {
        "base": {
            "value": "#4BC4E9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FBFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF4FB",
                "type": "color"
            },
            "200": {
                "value": "#B6E7F6",
                "type": "color"
            },
            "300": {
                "value": "#85D2EA",
                "type": "color"
            },
            "400": {
                "value": "#58BBDA",
                "type": "color"
            },
            "500": {
                "value": "#369FBF",
                "type": "color"
            },
            "600": {
                "value": "#307B91",
                "type": "color"
            },
            "700": {
                "value": "#285867",
                "type": "color"
            },
            "800": {
                "value": "#1E3A43",
                "type": "color"
            },
            "900": {
                "value": "#142429",
                "type": "color"
            }
        }
    }
}

Palettes built on #4BC4E9

Color Lab

Pairs with #4BC4E9

UI roles & guardrails

In real applications

Scales

Every model

Export