What color is #1F401B?

#1F401B is a dark green. In RGB it is rgb(31, 64, 27), and in HSL hsl(114, 41%, 18%).

Is #1F401B accessible as text?

On white, #1F401B has a contrast ratio of 11.62:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #1F401B, use white for the best readability.

What is the closest Tailwind color to #1F401B?

The nearest Tailwind CSS token is emerald-900 (#004F3B).

What colors go well with #1F401B?

#1F401B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3D1B41. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1F401B below.

Is #1F401B good for buttons?

#1F401B works well for buttons and highlights, but use white text on #1F401B — black text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #1F401B the same as CSS darkslategray?

No — #1F401B 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.

#1F401B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1F401B

Not just a swatch — here's how #1F401B works with other colors. Named schemes with #1F401B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #1F401B Secondary #4D6B3B Accent #AE6B00 Surface #EEEAD6 Anchor #3C2F21

British Racing 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 #1F401B Secondary #754E1C Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

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.

Japanese Sand Base · 5 colors

Base #1F401B Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

British Racing 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 #1F401B Anchor #141210 Accent #C1A64B Secondary #232B22 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #1F401B Secondary #556053 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 #1F401B 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 49/100

Neutral

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

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

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

Naturalness 94/100

Very high

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

Vintage feel 49/100

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 28/100

Low

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

UI accent fit 43/100

Moderate

Workable accent with care around contrast.

Surface fit 41/100

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 #1F401B

For UI

For branding

For interior

For fashion

People also use #1F401B with

Army Green British Racing Green Russian Violet 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 11.6:1. Use

Subtle surface Use #CBE2C9 for cards and hover fills. Tint 80

Avoid beside #1B4124 — 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 #1F401B 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: #1F401B;
  --color-base-rgb: 31 64 27;
  --color-base-oklch: oklch(33.6% 0.073 141.6);
  --color-50: #F5FBF4;
  --color-100: #E4F3E2;
  --color-200: #C9E7C6;
  --color-300: #A2D29D;
  --color-400: #7EBB77;
  --color-500: #5E9E56;
  --color-600: #4C7A47;
  --color-700: #3A5837;
  --color-800: #293A27;
  --color-900: #1A2419;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  british-racing-green: {
    50: '#F5FBF4',
    100: '#E4F3E2',
    200: '#C9E7C6',
    300: '#A2D29D',
    400: '#7EBB77',
    500: '#5E9E56',
    600: '#4C7A47',
    700: '#3A5837',
    800: '#293A27',
    900: '#1A2419',
  },
}

$base: #1F401B;
$base-ink: #FFFFFF;
$base-50: #F5FBF4;
$base-100: #E4F3E2;
$base-200: #C9E7C6;
$base-300: #A2D29D;
$base-400: #7EBB77;
$base-500: #5E9E56;
$base-600: #4C7A47;
$base-700: #3A5837;
$base-800: #293A27;
$base-900: #1A2419;
$base-hover: #193416;
$base-subtle: #B1D4AD;

{
    "color": {
        "base": {
            "value": "#1F401B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FBF4",
                "type": "color"
            },
            "100": {
                "value": "#E4F3E2",
                "type": "color"
            },
            "200": {
                "value": "#C9E7C6",
                "type": "color"
            },
            "300": {
                "value": "#A2D29D",
                "type": "color"
            },
            "400": {
                "value": "#7EBB77",
                "type": "color"
            },
            "500": {
                "value": "#5E9E56",
                "type": "color"
            },
            "600": {
                "value": "#4C7A47",
                "type": "color"
            },
            "700": {
                "value": "#3A5837",
                "type": "color"
            },
            "800": {
                "value": "#293A27",
                "type": "color"
            },
            "900": {
                "value": "#1A2419",
                "type": "color"
            }
        }
    }
}

Palettes built on #1F401B

Color Lab

Pairs with #1F401B

UI roles & guardrails

In real applications

Scales

Every model

Export