What color is #04030C?

#04030C is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(4, 3, 12), and in HSL hsl(247, 60%, 3%).

Is #04030C accessible as text?

On white, #04030C has a contrast ratio of 20.52:1 (passes WCAG AA for body text); on black it is 1.02:1 (fails). For text placed on #04030C, use white for the best readability.

What is the closest Tailwind color to #04030C?

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

What colors go well with #04030C?

As a neutral, #04030C 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 #04030C the same as CSS black?

No — #04030C is not the CSS named color black, but black (#000000) is the closest CSS named color.

#04030C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #04030C

Not just a swatch — here's how #04030C works with other colors. Named schemes with #04030C in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #04030C Secondary #7E4633 Surface #EDD8C2 Accent #355247 Anchor #582238

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 #04030C Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

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 #04030C Anchor #141210 Accent #DB9757 Secondary #282732 Surface #F3ECE3

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.

Moody Editorial Color · 5 colors

Color #04030C Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #000001

Jet Black adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Jet Black.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #04030C Secondary #212025 Support #9D9088 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.

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Color Lab

How #04030C 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 13/100

Very low

Firm and assertive — carries weight and contrast.

Depth 84/100

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 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 82/100

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 3/100

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 #04030C

For UI

For branding

For interior

For fashion

People also use #04030C with

Graphite Jet Black Gainsboro Prussian Blue

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 20.5:1. Use

Subtle surface Use #BDB8E3 for cards and hover fills. Tint 80

Avoid beside #07030C — 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 #04030C at work across the surfaces designers actually ship.

Website / UI

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Dashboard

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$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

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Packaging

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Export

:root {
  --color-base: #04030C;
  --color-base-rgb: 4 3 12;
  --color-base-oklch: oklch(10.8% 0.026 288.6);
  --color-50: #F3F2FC;
  --color-100: #E1DEF8;
  --color-200: #C4BEEF;
  --color-300: #9A91DE;
  --color-400: #7367CB;
  --color-500: #5246AF;
  --color-600: #443C86;
  --color-700: #352F60;
  --color-800: #25223F;
  --color-900: #181627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F3F2FC',
    100: '#E1DEF8',
    200: '#C4BEEF',
    300: '#9A91DE',
    400: '#7367CB',
    500: '#5246AF',
    600: '#443C86',
    700: '#352F60',
    800: '#25223F',
    900: '#181627',
  },
}

$base: #04030C;
$base-ink: #FFFFFF;
$base-50: #F3F2FC;
$base-100: #E1DEF8;
$base-200: #C4BEEF;
$base-300: #9A91DE;
$base-400: #7367CB;
$base-500: #5246AF;
$base-600: #443C86;
$base-700: #352F60;
$base-800: #25223F;
$base-900: #181627;
$base-hover: #03020A;
$base-subtle: #9B93D7;

{
    "color": {
        "base": {
            "value": "#04030C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F2FC",
                "type": "color"
            },
            "100": {
                "value": "#E1DEF8",
                "type": "color"
            },
            "200": {
                "value": "#C4BEEF",
                "type": "color"
            },
            "300": {
                "value": "#9A91DE",
                "type": "color"
            },
            "400": {
                "value": "#7367CB",
                "type": "color"
            },
            "500": {
                "value": "#5246AF",
                "type": "color"
            },
            "600": {
                "value": "#443C86",
                "type": "color"
            },
            "700": {
                "value": "#352F60",
                "type": "color"
            },
            "800": {
                "value": "#25223F",
                "type": "color"
            },
            "900": {
                "value": "#181627",
                "type": "color"
            }
        }
    }
}

Palettes built on #04030C

Color Lab

Pairs with #04030C

UI roles & guardrails

In real applications

Scales

Every model

Export