What color is #043E47?

#043E47 is a very dark, vivid cyan. In RGB it is rgb(4, 62, 71), and in HSL hsl(188, 89%, 15%).

Is #043E47 accessible as text?

On white, #043E47 has a contrast ratio of 11.76:1 (passes WCAG AA for body text); on black it is 1.79:1 (fails). For text placed on #043E47, use white for the best readability.

What is the closest Tailwind color to #043E47?

The nearest Tailwind CSS token is cyan-950 (#053345).

What colors go well with #043E47?

#043E47 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #480D04. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #043E47 below.

Is #043E47 good for buttons?

#043E47 works well for buttons and highlights, but use white text on #043E47 — black text only reaches 1.79:1, below the 4.5:1 needed for normal-size labels.

Is #043E47 the same as CSS darkslategray?

No — #043E47 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#043E47 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #043E47

Not just a swatch — here's how #043E47 works with other colors. Named schemes with #043E47 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #043E47 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Bottle Green 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 #043E47 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Bottle Green 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 #043E47 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #325E67

Bottle Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Bottle Green.

Vintage Leather Lead · 5 colors

Lead #043E47 Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #043E47 Secondary #505F62 Support #979286 Ink #16140F

Bottle Green 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 Bottle Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #043E47 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 34/100

Cool

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 64/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 22/100

Low

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

UI accent fit 39/100

Low

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #043E47

For UI

For branding

For interior

For fashion

People also use #043E47 with

Hunter Green Navy Oxblood Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 11.8:1. Use

Subtle surface Use #B8E8EF for cards and hover fills. Tint 80

Avoid beside #042948 — 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 #043E47 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: #043E47;
  --color-base-rgb: 4 62 71;
  --color-base-oklch: oklch(33.5% 0.056 211.3);
  --color-50: #F0FDFE;
  --color-100: #D8F8FD;
  --color-200: #B2F1FA;
  --color-300: #7EE2F1;
  --color-400: #4FCFE3;
  --color-500: #2CB4C9;
  --color-600: #2A8A98;
  --color-700: #23626B;
  --color-800: #1B4046;
  --color-900: #13272B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FDFE',
    100: '#D8F8FD',
    200: '#B2F1FA',
    300: '#7EE2F1',
    400: '#4FCFE3',
    500: '#2CB4C9',
    600: '#2A8A98',
    700: '#23626B',
    800: '#1B4046',
    900: '#13272B',
  },
}

$base: #043E47;
$base-ink: #FFFFFF;
$base-50: #F0FDFE;
$base-100: #D8F8FD;
$base-200: #B2F1FA;
$base-300: #7EE2F1;
$base-400: #4FCFE3;
$base-500: #2CB4C9;
$base-600: #2A8A98;
$base-700: #23626B;
$base-800: #1B4046;
$base-900: #13272B;
$base-hover: #03333A;
$base-subtle: #92DEEA;

{
    "color": {
        "base": {
            "value": "#043E47",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F8FD",
                "type": "color"
            },
            "200": {
                "value": "#B2F1FA",
                "type": "color"
            },
            "300": {
                "value": "#7EE2F1",
                "type": "color"
            },
            "400": {
                "value": "#4FCFE3",
                "type": "color"
            },
            "500": {
                "value": "#2CB4C9",
                "type": "color"
            },
            "600": {
                "value": "#2A8A98",
                "type": "color"
            },
            "700": {
                "value": "#23626B",
                "type": "color"
            },
            "800": {
                "value": "#1B4046",
                "type": "color"
            },
            "900": {
                "value": "#13272B",
                "type": "color"
            }
        }
    }
}