What color is #03491B?

#03491B is a very dark, vivid green. In RGB it is rgb(3, 73, 27), and in HSL hsl(141, 92%, 15%).

Is #03491B accessible as text?

On white, #03491B has a contrast ratio of 10.65:1 (passes WCAG AA for body text); on black it is 1.97:1 (fails). For text placed on #03491B, use white for the best readability.

What is the closest Tailwind color to #03491B?

The nearest Tailwind CSS token is green-900 (#0D542B).

What colors go well with #03491B?

#03491B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #490331. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03491B below.

Is #03491B good for buttons?

#03491B works well for buttons and highlights, but use white text on #03491B — black text only reaches 1.97:1, below the 4.5:1 needed for normal-size labels.

Is #03491B the same as CSS darkslategray?

No — #03491B 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.

#03491B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03491B

Not just a swatch — here's how #03491B works with other colors. Named schemes with #03491B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #03491B Secondary #4C6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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

Luxury Packaging Feature · 5 colors

Feature #03491B Anchor #141210 Accent #C0A64B Secondary #222C23 Surface #F1EDE3

British Racing 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.

Moody Editorial Color · 5 colors

Color #03491B Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002816

British Racing Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from British Racing Green.

Vintage Leather Lead · 5 colors

Lead #03491B Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

British Racing 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #03491B Secondary #556757 Support #989286 Ink #17140F

British Racing 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 British Racing Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #03491B 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 46/100

Neutral

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 64/100

High

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

Naturalness 100/100

Very high

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

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 55/100

Moderate

Workable accent with care around contrast.

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03491B

For UI

For branding

For interior

For fashion

People also use #03491B with

Dark Green Brunswick 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 10.6:1. Use

Subtle surface Use #B7F0CB for cards and hover fills. Tint 80

Avoid beside #034933 — 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 #03491B 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: #03491B;
  --color-base-rgb: 3 73 27;
  --color-base-oklch: oklch(35.5% 0.099 148.5);
  --color-50: #F0FEF5;
  --color-100: #D8FDE5;
  --color-200: #B1FCCB;
  --color-300: #7CF3A6;
  --color-400: #4DE582;
  --color-500: #29CB62;
  --color-600: #289A50;
  --color-700: #226D3C;
  --color-800: #1A472A;
  --color-900: #122B1B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  british-racing-green: {
    50: '#F0FEF5',
    100: '#D8FDE5',
    200: '#B1FCCB',
    300: '#7CF3A6',
    400: '#4DE582',
    500: '#29CB62',
    600: '#289A50',
    700: '#226D3C',
    800: '#1A472A',
    900: '#122B1B',
  },
}

$base: #03491B;
$base-ink: #FFFFFF;
$base-50: #F0FEF5;
$base-100: #D8FDE5;
$base-200: #B1FCCB;
$base-300: #7CF3A6;
$base-400: #4DE582;
$base-500: #29CB62;
$base-600: #289A50;
$base-700: #226D3C;
$base-800: #1A472A;
$base-900: #122B1B;
$base-hover: #023B16;
$base-subtle: #91EBB0;

{
    "color": {
        "base": {
            "value": "#03491B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF5",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE5",
                "type": "color"
            },
            "200": {
                "value": "#B1FCCB",
                "type": "color"
            },
            "300": {
                "value": "#7CF3A6",
                "type": "color"
            },
            "400": {
                "value": "#4DE582",
                "type": "color"
            },
            "500": {
                "value": "#29CB62",
                "type": "color"
            },
            "600": {
                "value": "#289A50",
                "type": "color"
            },
            "700": {
                "value": "#226D3C",
                "type": "color"
            },
            "800": {
                "value": "#1A472A",
                "type": "color"
            },
            "900": {
                "value": "#122B1B",
                "type": "color"
            }
        }
    }
}

Palettes built on #03491B

Color Lab

Pairs with #03491B

UI roles & guardrails

In real applications

Scales

Every model

Export