What color is #0B040D?

#0B040D is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(11, 4, 13), and in HSL hsl(287, 53%, 3%).

Is #0B040D accessible as text?

On white, #0B040D has a contrast ratio of 20.24:1 (passes WCAG AA for body text); on black it is 1.04:1 (fails). For text placed on #0B040D, use white for the best readability.

What is the closest Tailwind color to #0B040D?

The nearest Tailwind CSS token is gray-950 (#030712).

What colors go well with #0B040D?

As a neutral, #0B040D 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 #0B040D the same as CSS black?

No — #0B040D is not the CSS named color black, but black (#000000) is the closest CSS named color.

#0B040D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B040D

Not just a swatch — here's how #0B040D works with other colors. Named schemes with #0B040D in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #0B040D Secondary #7E462F Surface #ECD8C1 Accent #345249 Anchor #592235

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 #0B040D Surface #F1E8DC Highlight #F7F0E7 Secondary #BDADA1 Ink #2C2723

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 #0B040D Anchor #141210 Accent #D89953 Secondary #2D262F Surface #F3EDE3

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 #F8F4EF Accent #0B040D Secondary #282428 Support #9C9087 Ink #18140F

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.

Berry & Cream Lead · 5 colors

Lead #0B040D Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2E

Jet Black sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Build a working theme in the generator →

Color Lab

How #0B040D 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 50/100

Neutral

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

Softness 15/100

Very low

Firm and assertive — carries weight and contrast.

Depth 82/100

Very high

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 19/100

Very low

Clean and current — no dusty, aged cast.

Luxury 80/100

Very high

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

Brand distinctiveness 10/100

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 69/100

High

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

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B040D

For UI

For branding

For interior

For fashion

People also use #0B040D with

Graphite Jet Black Gainsboro Eggplant

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 20.2:1. Use

Subtle surface Use #D8BBE0 for cards and hover fills. Tint 80

Avoid beside #0C040B — 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 #0B040D at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #0B040D;
  --color-base-rgb: 11 4 13;
  --color-base-oklch: oklch(12.6% 0.027 319.9);
  --color-50: #FAF3FC;
  --color-100: #F1DFF6;
  --color-200: #E2C1EC;
  --color-300: #CB95DA;
  --color-400: #B26DC5;
  --color-500: #954CA9;
  --color-600: #744082;
  --color-700: #54325D;
  --color-800: #38243D;
  --color-900: #231726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FAF3FC',
    100: '#F1DFF6',
    200: '#E2C1EC',
    300: '#CB95DA',
    400: '#B26DC5',
    500: '#954CA9',
    600: '#744082',
    700: '#54325D',
    800: '#38243D',
    900: '#231726',
  },
}

$base: #0B040D;
$base-ink: #FFFFFF;
$base-50: #FAF3FC;
$base-100: #F1DFF6;
$base-200: #E2C1EC;
$base-300: #CB95DA;
$base-400: #B26DC5;
$base-500: #954CA9;
$base-600: #744082;
$base-700: #54325D;
$base-800: #38243D;
$base-900: #231726;
$base-hover: #080309;
$base-subtle: #C697D3;

{
    "color": {
        "base": {
            "value": "#0B040D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF3FC",
                "type": "color"
            },
            "100": {
                "value": "#F1DFF6",
                "type": "color"
            },
            "200": {
                "value": "#E2C1EC",
                "type": "color"
            },
            "300": {
                "value": "#CB95DA",
                "type": "color"
            },
            "400": {
                "value": "#B26DC5",
                "type": "color"
            },
            "500": {
                "value": "#954CA9",
                "type": "color"
            },
            "600": {
                "value": "#744082",
                "type": "color"
            },
            "700": {
                "value": "#54325D",
                "type": "color"
            },
            "800": {
                "value": "#38243D",
                "type": "color"
            },
            "900": {
                "value": "#231726",
                "type": "color"
            }
        }
    }
}

Palettes built on #0B040D

Color Lab

Pairs with #0B040D

UI roles & guardrails

In real applications

Scales

Every model

Export