What color is #033735?

#033735 is a very dark, vivid cyan. In RGB it is rgb(3, 55, 53), and in HSL hsl(178, 90%, 11%).

Is #033735 accessible as text?

On white, #033735 has a contrast ratio of 13.11:1 (passes WCAG AA for body text); on black it is 1.60:1 (fails). For text placed on #033735, use white for the best readability.

What is the closest Tailwind color to #033735?

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

What colors go well with #033735?

#033735 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #350304. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #033735 below.

Is #033735 good for buttons?

#033735 works well for buttons and highlights, but use white text on #033735 — black text only reaches 1.60:1, below the 4.5:1 needed for normal-size labels.

Is #033735 the same as CSS darkslategray?

No — #033735 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#033735 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #033735

Not just a swatch — here's how #033735 works with other colors. Named schemes with #033735 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #033735 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 #033735 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 #033735 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #033735 Anchor #141210 Accent #B9A94D Secondary #1D2C2B 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 #F6F4EF Accent #033735 Secondary #495756 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 #033735 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 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

High

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

Naturalness 12/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 20/100

Very low

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

UI accent fit 30/100

Low

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

Surface fit 50/100

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 #033735

For UI

For branding

For interior

For fashion

People also use #033735 with

Castleton Green Graphite 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 13.1:1. Use

Subtle surface Use #B4EFED for cards and hover fills. Tint 80

Avoid beside #032635 — 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 #033735 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: #033735;
  --color-base-rgb: 3 55 53;
  --color-base-oklch: oklch(30.5% 0.051 190.8);
  --color-50: #F0FEFE;
  --color-100: #D8FDFC;
  --color-200: #B2FBF8;
  --color-300: #7EF2EE;
  --color-400: #4FE3DF;
  --color-500: #2BCAC4;
  --color-600: #299995;
  --color-700: #236C69;
  --color-800: #1B4645;
  --color-900: #122B2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FEFE',
    100: '#D8FDFC',
    200: '#B2FBF8',
    300: '#7EF2EE',
    400: '#4FE3DF',
    500: '#2BCAC4',
    600: '#299995',
    700: '#236C69',
    800: '#1B4645',
    900: '#122B2A',
  },
}

$base: #033735;
$base-ink: #FFFFFF;
$base-50: #F0FEFE;
$base-100: #D8FDFC;
$base-200: #B2FBF8;
$base-300: #7EF2EE;
$base-400: #4FE3DF;
$base-500: #2BCAC4;
$base-600: #299995;
$base-700: #236C69;
$base-800: #1B4645;
$base-900: #122B2A;
$base-hover: #022B29;
$base-subtle: #8CE9E6;

{
    "color": {
        "base": {
            "value": "#033735",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFE",
                "type": "color"
            },
            "100": {
                "value": "#D8FDFC",
                "type": "color"
            },
            "200": {
                "value": "#B2FBF8",
                "type": "color"
            },
            "300": {
                "value": "#7EF2EE",
                "type": "color"
            },
            "400": {
                "value": "#4FE3DF",
                "type": "color"
            },
            "500": {
                "value": "#2BCAC4",
                "type": "color"
            },
            "600": {
                "value": "#299995",
                "type": "color"
            },
            "700": {
                "value": "#236C69",
                "type": "color"
            },
            "800": {
                "value": "#1B4645",
                "type": "color"
            },
            "900": {
                "value": "#122B2A",
                "type": "color"
            }
        }
    }
}