What color is #033E39?

#033E39 is a very dark, vivid teal. In RGB it is rgb(3, 62, 57), and in HSL hsl(175, 91%, 13%).

Is #033E39 accessible as text?

On white, #033E39 has a contrast ratio of 11.99:1 (passes WCAG AA for body text); on black it is 1.75:1 (fails). For text placed on #033E39, use white for the best readability.

What is the closest Tailwind color to #033E39?

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

What colors go well with #033E39?

#033E39 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F0308. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #033E39 below.

Is #033E39 good for buttons?

#033E39 works well for buttons and highlights, but use white text on #033E39 — black text only reaches 1.75:1, below the 4.5:1 needed for normal-size labels.

Is #033E39 the same as CSS darkslategray?

No — #033E39 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#033E39 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #033E39

Not just a swatch — here's how #033E39 works with other colors. Named schemes with #033E39 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #033E39 Accent #A7C4BD 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 #033E39 Secondary #AEB4B8 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 #033E39 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #5B241D

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 #033E39 Anchor #141210 Accent #BAA94D Secondary #1E2C2A 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 #033E39 Secondary #4E5E5C 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 #033E39 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 65/100

High

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

Naturalness 18/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 68/100

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 37/100

Low

Workable accent with care around contrast.

Surface fit 47/100

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 #033E39

For UI

For branding

For interior

For fashion

People also use #033E39 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 12.0:1. Use

Subtle surface Use #B6F0EB for cards and hover fills. Tint 80

Avoid beside #03303F — 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 #033E39 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: #033E39;
  --color-base-rgb: 3 62 57;
  --color-base-oklch: oklch(32.8% 0.056 185.8);
  --color-50: #F0FEFD;
  --color-100: #D8FDFA;
  --color-200: #B1FBF5;
  --color-300: #7DF2E9;
  --color-400: #4EE4D8;
  --color-500: #2ACBBD;
  --color-600: #289A90;
  --color-700: #236C66;
  --color-800: #1B4643;
  --color-900: #122B29;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FEFD',
    100: '#D8FDFA',
    200: '#B1FBF5',
    300: '#7DF2E9',
    400: '#4EE4D8',
    500: '#2ACBBD',
    600: '#289A90',
    700: '#236C66',
    800: '#1B4643',
    900: '#122B29',
  },
}

$base: #033E39;
$base-ink: #FFFFFF;
$base-50: #F0FEFD;
$base-100: #D8FDFA;
$base-200: #B1FBF5;
$base-300: #7DF2E9;
$base-400: #4EE4D8;
$base-500: #2ACBBD;
$base-600: #289A90;
$base-700: #236C66;
$base-800: #1B4643;
$base-900: #122B29;
$base-hover: #02332F;
$base-subtle: #8EEAE3;

{
    "color": {
        "base": {
            "value": "#033E39",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFD",
                "type": "color"
            },
            "100": {
                "value": "#D8FDFA",
                "type": "color"
            },
            "200": {
                "value": "#B1FBF5",
                "type": "color"
            },
            "300": {
                "value": "#7DF2E9",
                "type": "color"
            },
            "400": {
                "value": "#4EE4D8",
                "type": "color"
            },
            "500": {
                "value": "#2ACBBD",
                "type": "color"
            },
            "600": {
                "value": "#289A90",
                "type": "color"
            },
            "700": {
                "value": "#236C66",
                "type": "color"
            },
            "800": {
                "value": "#1B4643",
                "type": "color"
            },
            "900": {
                "value": "#122B29",
                "type": "color"
            }
        }
    }
}