What color is #04ADCA?

#04ADCA is a medium, vivid cyan. In RGB it is rgb(4, 173, 202), and in HSL hsl(189, 96%, 40%).

Is #04ADCA accessible as text?

On white, #04ADCA has a contrast ratio of 2.68:1 (fails WCAG AA for body text); on black it is 7.84:1 (passes). For text placed on #04ADCA, use black for the best readability.

What is the closest Tailwind color to #04ADCA?

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

What colors go well with #04ADCA?

#04ADCA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C82104. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #04ADCA below.

Is #04ADCA good for buttons?

#04ADCA works well for buttons and highlights, but use black text on #04ADCA — white text only reaches 2.68:1, below the 4.5:1 needed for normal-size labels.

Is #04ADCA the same as CSS lightseagreen?

No — #04ADCA is not the CSS named color lightseagreen, but lightseagreen (#20B2AA) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#04ADCA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #04ADCA

Not just a swatch — here's how #04ADCA works with other colors. Named schemes with #04ADCA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #04ADCA Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Carolina 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 #04ADCA Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Carolina 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 #04ADCA Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #60D2ED

Carolina 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 Carolina Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #04ADCA Secondary #A8CED8 Support #969386 Ink #16140F

Carolina 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 Carolina Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #04ADCA Anchor #372C1D Surface #EBE5D0 Accent #7E9D74 Secondary #393933

Carolina 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 #04ADCA 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 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 64/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #04ADCA

For UI

For branding

For interior

For fashion

People also use #04ADCA with

Medium Spring Green Cobalt Blue Firebrick Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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 6.9:1. Use

Subtle surface Use #CBEFF6 for cards and hover fills. Tint 80

Avoid beside #0469C8 — 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 #04ADCA at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #04ADCA;
  --color-base-rgb: 4 173 202;
  --color-base-oklch: oklch(68.9% 0.121 215.4);
  --color-50: #F0FCFE;
  --color-100: #D8F8FD;
  --color-200: #B1F0FC;
  --color-300: #7AE3F6;
  --color-400: #4AD1E8;
  --color-500: #26B6CF;
  --color-600: #258B9D;
  --color-700: #21636E;
  --color-800: #194148;
  --color-900: #12282C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F0FCFE',
    100: '#D8F8FD',
    200: '#B1F0FC',
    300: '#7AE3F6',
    400: '#4AD1E8',
    500: '#26B6CF',
    600: '#258B9D',
    700: '#21636E',
    800: '#194148',
    900: '#12282C',
  },
}

$base: #04ADCA;
$base-ink: #141310;
$base-50: #F0FCFE;
$base-100: #D8F8FD;
$base-200: #B1F0FC;
$base-300: #7AE3F6;
$base-400: #4AD1E8;
$base-500: #26B6CF;
$base-600: #258B9D;
$base-700: #21636E;
$base-800: #194148;
$base-900: #12282C;
$base-hover: #0388A0;
$base-subtle: #B0E9F3;

{
    "color": {
        "base": {
            "value": "#04ADCA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FCFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F8FD",
                "type": "color"
            },
            "200": {
                "value": "#B1F0FC",
                "type": "color"
            },
            "300": {
                "value": "#7AE3F6",
                "type": "color"
            },
            "400": {
                "value": "#4AD1E8",
                "type": "color"
            },
            "500": {
                "value": "#26B6CF",
                "type": "color"
            },
            "600": {
                "value": "#258B9D",
                "type": "color"
            },
            "700": {
                "value": "#21636E",
                "type": "color"
            },
            "800": {
                "value": "#194148",
                "type": "color"
            },
            "900": {
                "value": "#12282C",
                "type": "color"
            }
        }
    }
}