What color is #034D4A?

#034D4A is a very dark, vivid cyan. In RGB it is rgb(3, 77, 74), and in HSL hsl(178, 93%, 16%).

Is #034D4A accessible as text?

On white, #034D4A has a contrast ratio of 9.70:1 (passes WCAG AA for body text); on black it is 2.16:1 (fails). For text placed on #034D4A, use white for the best readability.

What is the closest Tailwind color to #034D4A?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #034D4A?

#034D4A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F0305. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #034D4A below.

Is #034D4A good for buttons?

#034D4A works well for buttons and highlights, but use white text on #034D4A — black text only reaches 2.16:1, below the 4.5:1 needed for normal-size labels.

Is #034D4A the same as CSS darkslategray?

No — #034D4A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#034D4A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #034D4A

Not just a swatch — here's how #034D4A works with other colors. Named schemes with #034D4A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #034D4A Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Brunswick 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 #034D4A Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Brunswick 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 #034D4A Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

Brunswick 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 #034D4A Anchor #141210 Accent #B9A94D Secondary #1D2C2B Surface #F1EDE3

Brunswick 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 #F6F4EF Accent #034D4A Secondary #5B6D6C Support #979286 Ink #16140F

Brunswick 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 Brunswick Green carrying the quiet middle.

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Color Lab

How #034D4A 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 35/100

Cool

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

High

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

Naturalness 16/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 64/100

High

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

Brand distinctiveness 25/100

Low

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

UI accent fit 53/100

Moderate

Workable accent with care around contrast.

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #034D4A

For UI

For branding

For interior

For fashion

People also use #034D4A with

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 9.7:1. Use

Subtle surface Use #B7F1EF for cards and hover fills. Tint 80

Avoid beside #03384F — 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 #034D4A 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: #034D4A;
  --color-base-rgb: 3 77 74;
  --color-base-oklch: oklch(38.0% 0.064 190.2);
  --color-50: #F0FEFE;
  --color-100: #D8FDFC;
  --color-200: #B1FCF9;
  --color-300: #7CF4F0;
  --color-400: #4CE6E1;
  --color-500: #29CCC7;
  --color-600: #279B97;
  --color-700: #226D6A;
  --color-800: #1A4745;
  --color-900: #122B2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  brunswick-green: {
    50: '#F0FEFE',
    100: '#D8FDFC',
    200: '#B1FCF9',
    300: '#7CF4F0',
    400: '#4CE6E1',
    500: '#29CCC7',
    600: '#279B97',
    700: '#226D6A',
    800: '#1A4745',
    900: '#122B2A',
  },
}

$base: #034D4A;
$base-ink: #FFFFFF;
$base-50: #F0FEFE;
$base-100: #D8FDFC;
$base-200: #B1FCF9;
$base-300: #7CF4F0;
$base-400: #4CE6E1;
$base-500: #29CCC7;
$base-600: #279B97;
$base-700: #226D6A;
$base-800: #1A4745;
$base-900: #122B2A;
$base-hover: #023F3D;
$base-subtle: #91ECE9;

{
    "color": {
        "base": {
            "value": "#034D4A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFE",
                "type": "color"
            },
            "100": {
                "value": "#D8FDFC",
                "type": "color"
            },
            "200": {
                "value": "#B1FCF9",
                "type": "color"
            },
            "300": {
                "value": "#7CF4F0",
                "type": "color"
            },
            "400": {
                "value": "#4CE6E1",
                "type": "color"
            },
            "500": {
                "value": "#29CCC7",
                "type": "color"
            },
            "600": {
                "value": "#279B97",
                "type": "color"
            },
            "700": {
                "value": "#226D6A",
                "type": "color"
            },
            "800": {
                "value": "#1A4745",
                "type": "color"
            },
            "900": {
                "value": "#122B2A",
                "type": "color"
            }
        }
    }
}

Palettes built on #034D4A

Color Lab

Pairs with #034D4A

UI roles & guardrails

In real applications

Scales

Every model

Export