What color is #043136?

#043136 is a very dark, vivid cyan. In RGB it is rgb(4, 49, 54), and in HSL hsl(186, 86%, 11%).

Is #043136 accessible as text?

On white, #043136 has a contrast ratio of 14.02:1 (passes WCAG AA for body text); on black it is 1.50:1 (fails). For text placed on #043136, use white for the best readability.

What is the closest Tailwind color to #043136?

The nearest Tailwind CSS token is teal-950 (#022F2E).

What colors go well with #043136?

#043136 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #340904. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #043136 below.

Is #043136 good for buttons?

#043136 works well for buttons and highlights, but use white text on #043136 — black text only reaches 1.50:1, below the 4.5:1 needed for normal-size labels.

Is #043136 the same as CSS darkslategray?

No — #043136 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#043136 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #043136

Not just a swatch — here's how #043136 works with other colors. Named schemes with #043136 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #043136 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #043136 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 #043136 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #2D5055

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 #043136 Secondary #715117 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 #043136 Secondary #455253 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 #043136 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 37/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

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

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 18/100

Very low

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

UI accent fit 25/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #043136

For UI

For branding

For interior

For fashion

People also use #043136 with

Castleton 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 14.0:1. Use

Subtle surface Use #B6E8EE for cards and hover fills. Tint 80

Avoid beside #041F34 — 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 #043136 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: #043136;
  --color-base-rgb: 4 49 54;
  --color-base-oklch: oklch(28.7% 0.046 206.3);
  --color-50: #F0FDFE;
  --color-100: #D8F9FD;
  --color-200: #B3F2F9;
  --color-300: #80E4EF;
  --color-400: #52D2E0;
  --color-500: #2FB7C6;
  --color-600: #2B8C96;
  --color-700: #25636A;
  --color-800: #1C4145;
  --color-900: #13282A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FDFE',
    100: '#D8F9FD',
    200: '#B3F2F9',
    300: '#80E4EF',
    400: '#52D2E0',
    500: '#2FB7C6',
    600: '#2B8C96',
    700: '#25636A',
    800: '#1C4145',
    900: '#13282A',
  },
}

$base: #043136;
$base-ink: #FFFFFF;
$base-50: #F0FDFE;
$base-100: #D8F9FD;
$base-200: #B3F2F9;
$base-300: #80E4EF;
$base-400: #52D2E0;
$base-500: #2FB7C6;
$base-600: #2B8C96;
$base-700: #25636A;
$base-800: #1C4145;
$base-900: #13282A;
$base-hover: #03262A;
$base-subtle: #8EDFE7;

{
    "color": {
        "base": {
            "value": "#043136",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F9FD",
                "type": "color"
            },
            "200": {
                "value": "#B3F2F9",
                "type": "color"
            },
            "300": {
                "value": "#80E4EF",
                "type": "color"
            },
            "400": {
                "value": "#52D2E0",
                "type": "color"
            },
            "500": {
                "value": "#2FB7C6",
                "type": "color"
            },
            "600": {
                "value": "#2B8C96",
                "type": "color"
            },
            "700": {
                "value": "#25636A",
                "type": "color"
            },
            "800": {
                "value": "#1C4145",
                "type": "color"
            },
            "900": {
                "value": "#13282A",
                "type": "color"
            }
        }
    }
}