What color is #01403D?

#01403D is a very dark, vivid teal. In RGB it is rgb(1, 64, 61), and in HSL hsl(177, 97%, 13%).

Is #01403D accessible as text?

On white, #01403D has a contrast ratio of 11.65:1 (passes WCAG AA for body text); on black it is 1.80:1 (fails). For text placed on #01403D, use white for the best readability.

What is the closest Tailwind color to #01403D?

The nearest Tailwind CSS token is cyan-950 (#053345).

What colors go well with #01403D?

#01403D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #410104. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #01403D below.

Is #01403D good for buttons?

#01403D works well for buttons and highlights, but use white text on #01403D — black text only reaches 1.80:1, below the 4.5:1 needed for normal-size labels.

Is #01403D the same as CSS darkslategray?

No — #01403D is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#01403D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #01403D

Not just a swatch — here's how #01403D works with other colors. Named schemes with #01403D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #01403D Accent #A7C4BD Surface #E0DABE 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 #01403D Secondary #AEB4B8 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 #01403D Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #01403D Anchor #141210 Accent #B9A94D Secondary #1D2C2B 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 #F6F4EF Accent #01403D Secondary #50605F 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 #01403D 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 37/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 64/100

High

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

Naturalness 15/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 39/100

Low

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #01403D

For UI

For branding

For interior

For fashion

People also use #01403D with

Dark Green Navy Oxblood 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 11.7:1. Use

Subtle surface Use #B4F2EF for cards and hover fills. Tint 80

Avoid beside #012F41 — 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 #01403D 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: #01403D;
  --color-base-rgb: 1 64 61;
  --color-base-oklch: oklch(33.5% 0.057 189.5);
  --color-50: #F0FEFE;
  --color-100: #D8FDFB;
  --color-200: #B1FCF8;
  --color-300: #79F6F0;
  --color-400: #49E9E1;
  --color-500: #25D0C7;
  --color-600: #259D97;
  --color-700: #206F6B;
  --color-800: #194845;
  --color-900: #112C2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F0FEFE',
    100: '#D8FDFB',
    200: '#B1FCF8',
    300: '#79F6F0',
    400: '#49E9E1',
    500: '#25D0C7',
    600: '#259D97',
    700: '#206F6B',
    800: '#194845',
    900: '#112C2A',
  },
}

$base: #01403D;
$base-ink: #FFFFFF;
$base-50: #F0FEFE;
$base-100: #D8FDFB;
$base-200: #B1FCF8;
$base-300: #79F6F0;
$base-400: #49E9E1;
$base-500: #25D0C7;
$base-600: #259D97;
$base-700: #206F6B;
$base-800: #194845;
$base-900: #112C2A;
$base-hover: #013432;
$base-subtle: #8BEEE9;

{
    "color": {
        "base": {
            "value": "#01403D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFE",
                "type": "color"
            },
            "100": {
                "value": "#D8FDFB",
                "type": "color"
            },
            "200": {
                "value": "#B1FCF8",
                "type": "color"
            },
            "300": {
                "value": "#79F6F0",
                "type": "color"
            },
            "400": {
                "value": "#49E9E1",
                "type": "color"
            },
            "500": {
                "value": "#25D0C7",
                "type": "color"
            },
            "600": {
                "value": "#259D97",
                "type": "color"
            },
            "700": {
                "value": "#206F6B",
                "type": "color"
            },
            "800": {
                "value": "#194845",
                "type": "color"
            },
            "900": {
                "value": "#112C2A",
                "type": "color"
            }
        }
    }
}