What color is #033128?

#033128 is a very dark, vivid teal. In RGB it is rgb(3, 49, 40), and in HSL hsl(168, 88%, 10%).

Is #033128 accessible as text?

On white, #033128 has a contrast ratio of 14.25:1 (passes WCAG AA for body text); on black it is 1.47:1 (fails). For text placed on #033128, use white for the best readability.

What is the closest Tailwind color to #033128?

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

What colors go well with #033128?

#033128 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #30030C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #033128 below.

Is #033128 good for buttons?

#033128 works well for buttons and highlights, but use white text on #033128 — black text only reaches 1.47:1, below the 4.5:1 needed for normal-size labels.

Is #033128 the same as CSS darkslategray?

No — #033128 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.

#033128 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #033128

Not just a swatch — here's how #033128 works with other colors. Named schemes with #033128 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #033128 Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1B3549

Sacramento 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 #033128 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

Sacramento 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 #033128 Secondary #734F19 Surface #E4DCC0 Accent #3B5141 Anchor #5B231F

Sacramento 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 #033128 Anchor #141210 Accent #BBA84C Secondary #1E2C28 Surface #F1EDE3

Sacramento 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 #033128 Secondary #44514D Support #989286 Ink #16140F

Sacramento 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 Sacramento Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #033128 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 41/100

Neutral

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 28/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 25/100

Low

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

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #033128

For UI

For branding

For interior

For fashion

People also use #033128 with

Castleton Green Graphite 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 14.2:1. Use

Subtle surface Use #B4EEE3 for cards and hover fills. Tint 80

Avoid beside #032A30 — 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 #033128 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: #033128;
  --color-base-rgb: 3 49 40;
  --color-base-oklch: oklch(28.1% 0.050 175.8);
  --color-50: #F0FEFC;
  --color-100: #D8FDF6;
  --color-200: #B2FAEC;
  --color-300: #7FF0DA;
  --color-400: #50E2C5;
  --color-500: #2DC8A9;
  --color-600: #2A9882;
  --color-700: #246B5D;
  --color-800: #1B463D;
  --color-900: #132B26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F0FEFC',
    100: '#D8FDF6',
    200: '#B2FAEC',
    300: '#7FF0DA',
    400: '#50E2C5',
    500: '#2DC8A9',
    600: '#2A9882',
    700: '#246B5D',
    800: '#1B463D',
    900: '#132B26',
  },
}

$base: #033128;
$base-ink: #FFFFFF;
$base-50: #F0FEFC;
$base-100: #D8FDF6;
$base-200: #B2FAEC;
$base-300: #7FF0DA;
$base-400: #50E2C5;
$base-500: #2DC8A9;
$base-600: #2A9882;
$base-700: #246B5D;
$base-800: #1B463D;
$base-900: #132B26;
$base-hover: #02261F;
$base-subtle: #8CE8D6;

{
    "color": {
        "base": {
            "value": "#033128",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFC",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF6",
                "type": "color"
            },
            "200": {
                "value": "#B2FAEC",
                "type": "color"
            },
            "300": {
                "value": "#7FF0DA",
                "type": "color"
            },
            "400": {
                "value": "#50E2C5",
                "type": "color"
            },
            "500": {
                "value": "#2DC8A9",
                "type": "color"
            },
            "600": {
                "value": "#2A9882",
                "type": "color"
            },
            "700": {
                "value": "#246B5D",
                "type": "color"
            },
            "800": {
                "value": "#1B463D",
                "type": "color"
            },
            "900": {
                "value": "#132B26",
                "type": "color"
            }
        }
    }
}