What color is #034139?

#034139 is a very dark, vivid teal. In RGB it is rgb(3, 65, 57), and in HSL hsl(172, 91%, 13%).

Is #034139 accessible as text?

On white, #034139 has a contrast ratio of 11.54:1 (passes WCAG AA for body text); on black it is 1.82:1 (fails). For text placed on #034139, use white for the best readability.

What is the closest Tailwind color to #034139?

The nearest Tailwind CSS token is emerald-900 (#004F3B).

What colors go well with #034139?

#034139 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F030B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #034139 below.

Is #034139 good for buttons?

#034139 works well for buttons and highlights, but use white text on #034139 — black text only reaches 1.82:1, below the 4.5:1 needed for normal-size labels.

Is #034139 the same as CSS darkslategray?

No — #034139 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#034139 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #034139

Not just a swatch — here's how #034139 works with other colors. Named schemes with #034139 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #034139 Accent #A7C4BC Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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 #034139 Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 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.

Vintage Leather Lead · 5 colors

Lead #034139 Secondary #734F19 Surface #E4DCC0 Accent #3A5142 Anchor #5B231E

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.

Luxury Packaging Feature · 5 colors

Feature #034139 Anchor #141210 Accent #BBA94D Secondary #1E2C29 Surface #F1EDE3

Bottle Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #034139 Secondary #51615D 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.

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Color Lab

How #034139 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 38/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

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 25/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 38/100

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 23/100

Low

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

UI accent fit 40/100

Moderate

Workable accent with care around contrast.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #034139

For UI

For branding

For interior

For fashion

People also use #034139 with

Dark 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 11.5:1. Use

Subtle surface Use #B6F0E8 for cards and hover fills. Tint 80

Avoid beside #03333F — 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 #034139 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: #034139;
  --color-base-rgb: 3 65 57;
  --color-base-oklch: oklch(33.7% 0.059 181.1);
  --color-50: #F0FEFD;
  --color-100: #D8FDF8;
  --color-200: #B1FBF1;
  --color-300: #7DF2E3;
  --color-400: #4EE4D0;
  --color-500: #2ACBB5;
  --color-600: #289A8A;
  --color-700: #236C62;
  --color-800: #1B4640;
  --color-900: #122B28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FEFD',
    100: '#D8FDF8',
    200: '#B1FBF1',
    300: '#7DF2E3',
    400: '#4EE4D0',
    500: '#2ACBB5',
    600: '#289A8A',
    700: '#236C62',
    800: '#1B4640',
    900: '#122B28',
  },
}

$base: #034139;
$base-ink: #FFFFFF;
$base-50: #F0FEFD;
$base-100: #D8FDF8;
$base-200: #B1FBF1;
$base-300: #7DF2E3;
$base-400: #4EE4D0;
$base-500: #2ACBB5;
$base-600: #289A8A;
$base-700: #236C62;
$base-800: #1B4640;
$base-900: #122B28;
$base-hover: #02332C;
$base-subtle: #8EEADE;

{
    "color": {
        "base": {
            "value": "#034139",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFD",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF8",
                "type": "color"
            },
            "200": {
                "value": "#B1FBF1",
                "type": "color"
            },
            "300": {
                "value": "#7DF2E3",
                "type": "color"
            },
            "400": {
                "value": "#4EE4D0",
                "type": "color"
            },
            "500": {
                "value": "#2ACBB5",
                "type": "color"
            },
            "600": {
                "value": "#289A8A",
                "type": "color"
            },
            "700": {
                "value": "#236C62",
                "type": "color"
            },
            "800": {
                "value": "#1B4640",
                "type": "color"
            },
            "900": {
                "value": "#122B28",
                "type": "color"
            }
        }
    }
}