What color is #018FA4?

#018FA4 is a dark, vivid cyan. In RGB it is rgb(1, 143, 164), and in HSL hsl(188, 99%, 32%).

Is #018FA4 accessible as text?

On white, #018FA4 has a contrast ratio of 3.84:1 (fails WCAG AA for body text); on black it is 5.47:1 (passes). For text placed on #018FA4, use black for the best readability.

What is the closest Tailwind color to #018FA4?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #018FA4?

#018FA4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A21601. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #018FA4 below.

Is #018FA4 good for buttons?

#018FA4 works well for buttons and highlights, but use black text on #018FA4 — white text only reaches 3.84:1, below the 4.5:1 needed for normal-size labels.

Is #018FA4 the same as CSS darkcyan?

No — #018FA4 is not the CSS named color darkcyan, but darkcyan (#008B8B) is the closest CSS named color.

#018FA4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #018FA4

Not just a swatch — here's how #018FA4 works with other colors. Named schemes with #018FA4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #018FA4 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Bondi Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #018FA4 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #53B3C6

Bondi 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 Bondi Blue.

Vintage Leather Lead · 5 colors

Lead #018FA4 Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Bondi Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #018FA4 Surface #EEE8D6 Anchor #582249 Accent #E3C2CD Secondary #322B30

Bondi Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #018FA4 Secondary #90B0B8 Support #979286 Ink #16140F

Bondi 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 Bondi Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #018FA4 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 20/100

Cool

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

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 28/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 88/100

Very high

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

Surface fit 30/100

Low

Usable as a tinted surface in measured doses.

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #018FA4

For UI

For branding

For interior

For fashion

People also use #018FA4 with

Emerald Green Klein Blue Burnt Umber 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 Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.8:1. Use

Subtle surface Use #C4EEF5 for cards and hover fills. Tint 80

Avoid beside #0157A2 — 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 #018FA4 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: #018FA4;
  --color-base-rgb: 1 143 164;
  --color-base-oklch: oklch(59.7% 0.104 212.7);
  --color-50: #F0FDFE;
  --color-100: #D8F8FD;
  --color-200: #B1F2FC;
  --color-300: #78E6F7;
  --color-400: #47D5EB;
  --color-500: #23BAD2;
  --color-600: #238E9F;
  --color-700: #1F656F;
  --color-800: #194248;
  --color-900: #11282C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bondi-blue: {
    50: '#F0FDFE',
    100: '#D8F8FD',
    200: '#B1F2FC',
    300: '#78E6F7',
    400: '#47D5EB',
    500: '#23BAD2',
    600: '#238E9F',
    700: '#1F656F',
    800: '#194248',
    900: '#11282C',
  },
}

$base: #018FA4;
$base-ink: #141310;
$base-50: #F0FDFE;
$base-100: #D8F8FD;
$base-200: #B1F2FC;
$base-300: #78E6F7;
$base-400: #47D5EB;
$base-500: #23BAD2;
$base-600: #238E9F;
$base-700: #1F656F;
$base-800: #194248;
$base-900: #11282C;
$base-hover: #017182;
$base-subtle: #A4E8F2;

{
    "color": {
        "base": {
            "value": "#018FA4",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F8FD",
                "type": "color"
            },
            "200": {
                "value": "#B1F2FC",
                "type": "color"
            },
            "300": {
                "value": "#78E6F7",
                "type": "color"
            },
            "400": {
                "value": "#47D5EB",
                "type": "color"
            },
            "500": {
                "value": "#23BAD2",
                "type": "color"
            },
            "600": {
                "value": "#238E9F",
                "type": "color"
            },
            "700": {
                "value": "#1F656F",
                "type": "color"
            },
            "800": {
                "value": "#194248",
                "type": "color"
            },
            "900": {
                "value": "#11282C",
                "type": "color"
            }
        }
    }
}

Palettes built on #018FA4

Color Lab

Pairs with #018FA4

UI roles & guardrails

In real applications

Scales

Every model

Export