What color is #030D0B?

#030D0B is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(3, 13, 11), and in HSL hsl(168, 63%, 3%).

Is #030D0B accessible as text?

On white, #030D0B has a contrast ratio of 19.69:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #030D0B, use white for the best readability.

What is the closest Tailwind color to #030D0B?

The nearest Tailwind CSS token is neutral-950 (#0A0A0A).

What colors go well with #030D0B?

As a neutral, #030D0B pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #030D0B the same as CSS black?

No — #030D0B is not the CSS named color black, but black (#000000) is the closest CSS named color.

#030D0B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #030D0B

Not just a swatch — here's how #030D0B works with other colors. Named schemes with #030D0B in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #030D0B Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #1D2826

Jet Black is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Jet Black.

Vintage Leather Lead · 5 colors

Lead #030D0B Secondary #734F18 Surface #E4DCC0 Accent #3A5142 Anchor #5B241E

Jet Black 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 #030D0B Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

Jet Black 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 #030D0B Anchor #141210 Accent #BAA94D Secondary #1E2C2A Surface #F1EDE3

Jet Black 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 #030D0B Secondary #272C2B Support #979286 Ink #16140F

Jet Black 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 Jet Black carrying the quiet middle.

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Color Lab

How #030D0B 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 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 80/100

High

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

Naturalness 10/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 16/100

Very low

Clean and current — no dusty, aged cast.

Luxury 78/100

High

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

Brand distinctiveness 7/100

Very low

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

UI accent fit 4/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 70/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #030D0B

For UI

For branding

For interior

For fashion

People also use #030D0B with

Sacramento Green Jet Black 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 19.7:1. Use

Subtle surface Use #B7E4DB for cards and hover fills. Tint 80

Avoid beside #030B0C — 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 #030D0B 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: #030D0B;
  --color-base-rgb: 3 13 11;
  --color-base-oklch: oklch(14.7% 0.018 181.9);
  --color-50: #F2FDFB;
  --color-100: #DDF8F3;
  --color-200: #BDF0E6;
  --color-300: #8FE0D0;
  --color-400: #65CDB8;
  --color-500: #43B29C;
  --color-600: #3A8878;
  --color-700: #2E6157;
  --color-800: #21403A;
  --color-900: #162724;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F2FDFB',
    100: '#DDF8F3',
    200: '#BDF0E6',
    300: '#8FE0D0',
    400: '#65CDB8',
    500: '#43B29C',
    600: '#3A8878',
    700: '#2E6157',
    800: '#21403A',
    900: '#162724',
  },
}

$base: #030D0B;
$base-ink: #FFFFFF;
$base-50: #F2FDFB;
$base-100: #DDF8F3;
$base-200: #BDF0E6;
$base-300: #8FE0D0;
$base-400: #65CDB8;
$base-500: #43B29C;
$base-600: #3A8878;
$base-700: #2E6157;
$base-800: #21403A;
$base-900: #162724;
$base-hover: #020A08;
$base-subtle: #91D8CA;

{
    "color": {
        "base": {
            "value": "#030D0B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDFB",
                "type": "color"
            },
            "100": {
                "value": "#DDF8F3",
                "type": "color"
            },
            "200": {
                "value": "#BDF0E6",
                "type": "color"
            },
            "300": {
                "value": "#8FE0D0",
                "type": "color"
            },
            "400": {
                "value": "#65CDB8",
                "type": "color"
            },
            "500": {
                "value": "#43B29C",
                "type": "color"
            },
            "600": {
                "value": "#3A8878",
                "type": "color"
            },
            "700": {
                "value": "#2E6157",
                "type": "color"
            },
            "800": {
                "value": "#21403A",
                "type": "color"
            },
            "900": {
                "value": "#162724",
                "type": "color"
            }
        }
    }
}

Palettes built on #030D0B

Color Lab

Pairs with #030D0B

UI roles & guardrails

In real applications

Scales

Every model

Export