What color is #1D423B?

#1D423B is a dark teal. In RGB it is rgb(29, 66, 59), and in HSL hsl(169, 39%, 19%).

Is #1D423B accessible as text?

On white, #1D423B has a contrast ratio of 11.08:1 (passes WCAG AA for body text); on black it is 1.89:1 (fails). For text placed on #1D423B, use white for the best readability.

What is the closest Tailwind color to #1D423B?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #1D423B?

#1D423B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #431E24. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1D423B below.

Is #1D423B good for buttons?

#1D423B works well for buttons and highlights, but use white text on #1D423B — black text only reaches 1.89:1, below the 4.5:1 needed for normal-size labels.

Is #1D423B the same as CSS darkslategray?

No — #1D423B 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.

#1D423B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1D423B

Not just a swatch — here's how #1D423B works with other colors. Named schemes with #1D423B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1D423B Accent #A7C4BC Surface #E0D9BE 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 #1D423B Secondary #AEB4B7 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 #1D423B Secondary #734F19 Surface #E4DCC0 Accent #3A5142 Anchor #5B231E

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 #1D423B Anchor #141210 Accent #BBA94C Secondary #1E2C29 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 #F7F4EF Accent #1D423B Secondary #576360 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 #1D423B 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 42/100

Neutral

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 21/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 17/100

Very low

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

UI accent fit 39/100

Low

Workable accent with care around contrast.

Surface fit 49/100

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 #1D423B

For UI

For branding

For interior

For fashion

People also use #1D423B with

Hunter Green Gunmetal Gray Bistre 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 11.1:1. Use

Subtle surface Use #CAE1DD for cards and hover fills. Tint 80

Avoid beside #1E3E43 — 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 #1D423B 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: #1D423B;
  --color-base-rgb: 29 66 59;
  --color-base-oklch: oklch(34.9% 0.044 179.6);
  --color-50: #F4FBF9;
  --color-100: #E2F3F0;
  --color-200: #C6E6E0;
  --color-300: #9ED1C8;
  --color-400: #79B9AD;
  --color-500: #589D90;
  --color-600: #497970;
  --color-700: #385751;
  --color-800: #273A36;
  --color-900: #192422;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F4FBF9',
    100: '#E2F3F0',
    200: '#C6E6E0',
    300: '#9ED1C8',
    400: '#79B9AD',
    500: '#589D90',
    600: '#497970',
    700: '#385751',
    800: '#273A36',
    900: '#192422',
  },
}

$base: #1D423B;
$base-ink: #FFFFFF;
$base-50: #F4FBF9;
$base-100: #E2F3F0;
$base-200: #C6E6E0;
$base-300: #9ED1C8;
$base-400: #79B9AD;
$base-500: #589D90;
$base-600: #497970;
$base-700: #385751;
$base-800: #273A36;
$base-900: #192422;
$base-hover: #183630;
$base-subtle: #AFD3CD;

{
    "color": {
        "base": {
            "value": "#1D423B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBF9",
                "type": "color"
            },
            "100": {
                "value": "#E2F3F0",
                "type": "color"
            },
            "200": {
                "value": "#C6E6E0",
                "type": "color"
            },
            "300": {
                "value": "#9ED1C8",
                "type": "color"
            },
            "400": {
                "value": "#79B9AD",
                "type": "color"
            },
            "500": {
                "value": "#589D90",
                "type": "color"
            },
            "600": {
                "value": "#497970",
                "type": "color"
            },
            "700": {
                "value": "#385751",
                "type": "color"
            },
            "800": {
                "value": "#273A36",
                "type": "color"
            },
            "900": {
                "value": "#192422",
                "type": "color"
            }
        }
    }
}