What color is #04090E?

#04090E is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(4, 9, 14), and in HSL hsl(210, 56%, 4%).

Is #04090E accessible as text?

On white, #04090E has a contrast ratio of 19.99:1 (passes WCAG AA for body text); on black it is 1.05:1 (fails). For text placed on #04090E, use white for the best readability.

What is the closest Tailwind color to #04090E?

The nearest Tailwind CSS token is zinc-950 (#09090B).

What colors go well with #04090E?

As a neutral, #04090E 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 #04090E the same as CSS black?

No — #04090E is not the CSS named color black, but black (#000000) is the closest CSS named color.

#04090E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #04090E

Not just a swatch — here's how #04090E works with other colors. Named schemes with #04090E in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #04090E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #1D2429

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 #04090E Secondary #7F4439 Surface #E2DDC0 Accent #375245 Anchor #57233C

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 #04090E Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

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.

Coastal Morning Lead · 5 colors

Lead #04090E Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Jet Black opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #04090E Secondary #26282A Support #969386 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 #04090E 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 16/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

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 14/100

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 6/100

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 72/100

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 #04090E

For UI

For branding

For interior

For fashion

People also use #04090E with

Sacramento Green Jet Black Gainsboro Charcoal

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 20.0:1. Use

Subtle surface Use #BACEE2 for cards and hover fills. Tint 80

Avoid beside #040610 — 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 #04090E 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: #04090E;
  --color-base-rgb: 4 9 14;
  --color-base-oklch: oklch(13.6% 0.015 242.1);
  --color-50: #F3F7FC;
  --color-100: #DFEBF7;
  --color-200: #BFD6ED;
  --color-300: #93B8DC;
  --color-400: #6B99C7;
  --color-500: #497AAC;
  --color-600: #3E6184;
  --color-700: #31475E;
  --color-800: #23303E;
  --color-900: #171F26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F3F7FC',
    100: '#DFEBF7',
    200: '#BFD6ED',
    300: '#93B8DC',
    400: '#6B99C7',
    500: '#497AAC',
    600: '#3E6184',
    700: '#31475E',
    800: '#23303E',
    900: '#171F26',
  },
}

$base: #04090E;
$base-ink: #FFFFFF;
$base-50: #F3F7FC;
$base-100: #DFEBF7;
$base-200: #BFD6ED;
$base-300: #93B8DC;
$base-400: #6B99C7;
$base-500: #497AAC;
$base-600: #3E6184;
$base-700: #31475E;
$base-800: #23303E;
$base-900: #171F26;
$base-hover: #04080D;
$base-subtle: #96B6D5;

{
    "color": {
        "base": {
            "value": "#04090E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DFEBF7",
                "type": "color"
            },
            "200": {
                "value": "#BFD6ED",
                "type": "color"
            },
            "300": {
                "value": "#93B8DC",
                "type": "color"
            },
            "400": {
                "value": "#6B99C7",
                "type": "color"
            },
            "500": {
                "value": "#497AAC",
                "type": "color"
            },
            "600": {
                "value": "#3E6184",
                "type": "color"
            },
            "700": {
                "value": "#31475E",
                "type": "color"
            },
            "800": {
                "value": "#23303E",
                "type": "color"
            },
            "900": {
                "value": "#171F26",
                "type": "color"
            }
        }
    }
}

Palettes built on #04090E

Color Lab

Pairs with #04090E

UI roles & guardrails

In real applications

Scales

Every model

Export