What color is #034337?

#034337 is a very dark, vivid teal. In RGB it is rgb(3, 67, 55), and in HSL hsl(169, 91%, 14%).

Is #034337 accessible as text?

On white, #034337 has a contrast ratio of 11.28:1 (passes WCAG AA for body text); on black it is 1.86:1 (fails). For text placed on #034337, use white for the best readability.

What is the closest Tailwind color to #034337?

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

What colors go well with #034337?

#034337 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #44030F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #034337 below.

Is #034337 good for buttons?

#034337 works well for buttons and highlights, but use white text on #034337 — black text only reaches 1.86:1, below the 4.5:1 needed for normal-size labels.

Is #034337 the same as CSS darkslategray?

No — #034337 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#034337 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #034337

Not just a swatch — here's how #034337 works with other colors. Named schemes with #034337 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #034337 Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1B3549

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 #034337 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

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 #034337 Secondary #734F19 Surface #E4DCC0 Accent #3B5141 Anchor #5B231F

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 #034337 Anchor #141210 Accent #BCA84C Secondary #1E2C28 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 #034337 Secondary #52635E Support #989286 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 #034337 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 39/100

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 34/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 43/100

Moderate

Workable accent with care around contrast.

Surface fit 44/100

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 #034337

For UI

For branding

For interior

For fashion

People also use #034337 with

Dark Green Prussian Blue 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 11.3:1. Use

Subtle surface Use #B6F0E5 for cards and hover fills. Tint 80

Avoid beside #033A44 — 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 #034337 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: #034337;
  --color-base-rgb: 3 67 55;
  --color-base-oklch: oklch(34.3% 0.063 175.5);
  --color-50: #F0FEFC;
  --color-100: #D8FDF6;
  --color-200: #B1FBEE;
  --color-300: #7DF2DD;
  --color-400: #4EE4C9;
  --color-500: #2ACBAD;
  --color-600: #289A85;
  --color-700: #236C5F;
  --color-800: #1B463E;
  --color-900: #122B26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FEFC',
    100: '#D8FDF6',
    200: '#B1FBEE',
    300: '#7DF2DD',
    400: '#4EE4C9',
    500: '#2ACBAD',
    600: '#289A85',
    700: '#236C5F',
    800: '#1B463E',
    900: '#122B26',
  },
}

$base: #034337;
$base-ink: #FFFFFF;
$base-50: #F0FEFC;
$base-100: #D8FDF6;
$base-200: #B1FBEE;
$base-300: #7DF2DD;
$base-400: #4EE4C9;
$base-500: #2ACBAD;
$base-600: #289A85;
$base-700: #236C5F;
$base-800: #1B463E;
$base-900: #122B26;
$base-hover: #03372D;
$base-subtle: #90EBDA;

{
    "color": {
        "base": {
            "value": "#034337",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFC",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF6",
                "type": "color"
            },
            "200": {
                "value": "#B1FBEE",
                "type": "color"
            },
            "300": {
                "value": "#7DF2DD",
                "type": "color"
            },
            "400": {
                "value": "#4EE4C9",
                "type": "color"
            },
            "500": {
                "value": "#2ACBAD",
                "type": "color"
            },
            "600": {
                "value": "#289A85",
                "type": "color"
            },
            "700": {
                "value": "#236C5F",
                "type": "color"
            },
            "800": {
                "value": "#1B463E",
                "type": "color"
            },
            "900": {
                "value": "#122B26",
                "type": "color"
            }
        }
    }
}

Palettes built on #034337

Color Lab

Pairs with #034337

UI roles & guardrails

In real applications

Scales

Every model

Export