What color is #02B4EF?

#02B4EF is a medium, vivid cyan. In RGB it is rgb(2, 180, 239), and in HSL hsl(195, 98%, 47%).

Is #02B4EF accessible as text?

On white, #02B4EF has a contrast ratio of 2.39:1 (fails WCAG AA for body text); on black it is 8.78:1 (passes). For text placed on #02B4EF, use black for the best readability.

What is the closest Tailwind color to #02B4EF?

The nearest Tailwind CSS token is sky-400 (#00BCFF).

What colors go well with #02B4EF?

#02B4EF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #ED3D02. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #02B4EF below.

Is #02B4EF good for buttons?

#02B4EF works well for buttons and highlights, but use black text on #02B4EF — white text only reaches 2.39:1, below the 4.5:1 needed for normal-size labels.

Is #02B4EF the same as CSS deepskyblue?

No — #02B4EF is not the CSS named color deepskyblue, but deepskyblue (#00BFFF) is the closest CSS named color.

#02B4EF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #02B4EF

Not just a swatch — here's how #02B4EF works with other colors. Named schemes with #02B4EF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #02B4EF Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Picton 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 #02B4EF Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Picton 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 #02B4EF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #63DAFF

Picton 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 Picton Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #02B4EF Secondary #B1D8ED Support #969386 Ink #16140F

Picton 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 Picton Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #02B4EF Anchor #372C1D Surface #EAE5D0 Accent #7C9D76 Secondary #393933

Picton 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 #02B4EF 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 7/100

Cool

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

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 29/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 34/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 56/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 53/100

Moderate

Workable accent with care around contrast.

Surface fit 29/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #02B4EF

For UI

For branding

For interior

For fashion

People also use #02B4EF with

Medium Spring Green Blue Burnt Orange 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 7.8:1. Use

Subtle surface Use #D1EEF7 for cards and hover fills. Tint 80

Avoid beside #0264ED — 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 #02B4EF 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: #02B4EF;
  --color-base-rgb: 2 180 239;
  --color-base-oklch: oklch(72.2% 0.145 231.0);
  --color-50: #F0FBFE;
  --color-100: #D8F4FD;
  --color-200: #B1E9FC;
  --color-300: #78D7F7;
  --color-400: #48C2EA;
  --color-500: #24A6D1;
  --color-600: #247F9E;
  --color-700: #205B6F;
  --color-800: #193C48;
  --color-900: #11252C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  picton-blue: {
    50: '#F0FBFE',
    100: '#D8F4FD',
    200: '#B1E9FC',
    300: '#78D7F7',
    400: '#48C2EA',
    500: '#24A6D1',
    600: '#247F9E',
    700: '#205B6F',
    800: '#193C48',
    900: '#11252C',
  },
}

$base: #02B4EF;
$base-ink: #141310;
$base-50: #F0FBFE;
$base-100: #D8F4FD;
$base-200: #B1E9FC;
$base-300: #78D7F7;
$base-400: #48C2EA;
$base-500: #24A6D1;
$base-600: #247F9E;
$base-700: #205B6F;
$base-800: #193C48;
$base-900: #11252C;
$base-hover: #028FBE;
$base-subtle: #B8E6F5;

{
    "color": {
        "base": {
            "value": "#02B4EF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FBFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F4FD",
                "type": "color"
            },
            "200": {
                "value": "#B1E9FC",
                "type": "color"
            },
            "300": {
                "value": "#78D7F7",
                "type": "color"
            },
            "400": {
                "value": "#48C2EA",
                "type": "color"
            },
            "500": {
                "value": "#24A6D1",
                "type": "color"
            },
            "600": {
                "value": "#247F9E",
                "type": "color"
            },
            "700": {
                "value": "#205B6F",
                "type": "color"
            },
            "800": {
                "value": "#193C48",
                "type": "color"
            },
            "900": {
                "value": "#11252C",
                "type": "color"
            }
        }
    }
}

Palettes built on #02B4EF

Color Lab

Pairs with #02B4EF

UI roles & guardrails

In real applications

Scales

Every model

Export