What color is #03391A?

#03391A is a very dark, vivid teal-green. In RGB it is rgb(3, 57, 26), and in HSL hsl(146, 90%, 12%).

Is #03391A accessible as text?

On white, #03391A has a contrast ratio of 13.09:1 (passes WCAG AA for body text); on black it is 1.60:1 (fails). For text placed on #03391A, use white for the best readability.

What is the closest Tailwind color to #03391A?

The nearest Tailwind CSS token is green-950 (#032E15).

What colors go well with #03391A?

#03391A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3A0322. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03391A below.

Is #03391A good for buttons?

#03391A works well for buttons and highlights, but use white text on #03391A — black text only reaches 1.60:1, below the 4.5:1 needed for normal-size labels.

Is #03391A the same as CSS darkslategray?

No — #03391A 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.

#03391A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03391A

Not just a swatch — here's how #03391A works with other colors. Named schemes with #03391A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #03391A Secondary #4B6C3C Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Sacramento Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #03391A Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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.

Japanese Sand Base · 5 colors

Base #03391A Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Sacramento Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #03391A Anchor #141210 Accent #BFA74B Secondary #222C24 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 #03391A Secondary #49584C Support #989286 Ink #17140F

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 #03391A 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 45/100

Neutral

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

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

Naturalness 85/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 30/100

Low

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

UI accent fit 35/100

Low

Workable accent with care around contrast.

Surface fit 42/100

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 #03391A

For UI

For branding

For interior

For fashion

People also use #03391A with

Dark Green Bottle Green Deep Purple Platinum Hunter Green

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 #B5EFCE for cards and hover fills. Tint 80

Avoid beside #033A2D — 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 #03391A 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: #03391A;
  --color-base-rgb: 3 57 26;
  --color-base-oklch: oklch(30.3% 0.077 152.1);
  --color-50: #F0FEF6;
  --color-100: #D8FDE8;
  --color-200: #B2FBD1;
  --color-300: #7EF2B0;
  --color-400: #4FE38F;
  --color-500: #2BCA70;
  --color-600: #299959;
  --color-700: #236C43;
  --color-800: #1B462E;
  --color-900: #122B1D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F0FEF6',
    100: '#D8FDE8',
    200: '#B2FBD1',
    300: '#7EF2B0',
    400: '#4FE38F',
    500: '#2BCA70',
    600: '#299959',
    700: '#236C43',
    800: '#1B462E',
    900: '#122B1D',
  },
}

$base: #03391A;
$base-ink: #FFFFFF;
$base-50: #F0FEF6;
$base-100: #D8FDE8;
$base-200: #B2FBD1;
$base-300: #7EF2B0;
$base-400: #4FE38F;
$base-500: #2BCA70;
$base-600: #299959;
$base-700: #236C43;
$base-800: #1B462E;
$base-900: #122B1D;
$base-hover: #022F16;
$base-subtle: #8EEAB6;

{
    "color": {
        "base": {
            "value": "#03391A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF6",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE8",
                "type": "color"
            },
            "200": {
                "value": "#B2FBD1",
                "type": "color"
            },
            "300": {
                "value": "#7EF2B0",
                "type": "color"
            },
            "400": {
                "value": "#4FE38F",
                "type": "color"
            },
            "500": {
                "value": "#2BCA70",
                "type": "color"
            },
            "600": {
                "value": "#299959",
                "type": "color"
            },
            "700": {
                "value": "#236C43",
                "type": "color"
            },
            "800": {
                "value": "#1B462E",
                "type": "color"
            },
            "900": {
                "value": "#122B1D",
                "type": "color"
            }
        }
    }
}