What color is #180402?

#180402 is a very dark, vivid red. In RGB it is rgb(24, 4, 2), and in HSL hsl(5, 85%, 5%).

Is #180402 accessible as text?

On white, #180402 has a contrast ratio of 19.87:1 (passes WCAG AA for body text); on black it is 1.06:1 (fails). For text placed on #180402, use white for the best readability.

What is the closest Tailwind color to #180402?

The nearest Tailwind CSS token is taupe-950 (#0C0A09).

What colors go well with #180402?

#180402 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #021618. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #180402 below.

Is #180402 good for buttons?

#180402 works well for buttons and highlights, but use white text on #180402 — black text only reaches 1.06:1, below the 4.5:1 needed for normal-size labels.

Is #180402 the same as CSS black?

No — #180402 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#180402 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #180402

Not just a swatch — here's how #180402 works with other colors. Named schemes with #180402 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #180402 Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

This palette keeps Jet Black as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Vintage Leather Lead · 5 colors

Lead #180402 Secondary #7B4927 Surface #EAD9C0 Accent #42503A Anchor #5A222D

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.

Desert Clay Center · 5 colors

Center #180402 Surface #E3CEA8 Secondary #B17957 Accent #97976D Anchor #3E2C21

Jet Black holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #180402 Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAE9F Ink #2B2723

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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #180402 Secondary #312826 Support #9B9186 Ink #17140F

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.

Build a working theme in the generator →

Color Lab

How #180402 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 61/100

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 52/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 80/100

Very high

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

Brand distinctiveness 16/100

Very low

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

UI accent fit 5/100

Very low

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

Surface fit 63/100

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 #180402

For UI

For branding

For interior

For fashion

People also use #180402 with

Oxblood Jet Black Gainsboro Espresso

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 19.9:1. Use

Subtle surface Use #ECB6B1 for cards and hover fills. Tint 80

Avoid beside #180B02 — 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 #180402 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

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Export

:root {
  --color-base: #180402;
  --color-base-rgb: 24 4 2;
  --color-base-oklch: oklch(14.6% 0.040 32.7);
  --color-50: #FEF1F0;
  --color-100: #FDDBD8;
  --color-200: #F9B9B4;
  --color-300: #EE8A81;
  --color-400: #DF5E53;
  --color-500: #C53C30;
  --color-600: #96352C;
  --color-700: #6A2B25;
  --color-800: #451F1C;
  --color-900: #2A1513;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF1F0',
    100: '#FDDBD8',
    200: '#F9B9B4',
    300: '#EE8A81',
    400: '#DF5E53',
    500: '#C53C30',
    600: '#96352C',
    700: '#6A2B25',
    800: '#451F1C',
    900: '#2A1513',
  },
}

$base: #180402;
$base-ink: #FFFFFF;
$base-50: #FEF1F0;
$base-100: #FDDBD8;
$base-200: #F9B9B4;
$base-300: #EE8A81;
$base-400: #DF5E53;
$base-500: #C53C30;
$base-600: #96352C;
$base-700: #6A2B25;
$base-800: #451F1C;
$base-900: #2A1513;
$base-hover: #130302;
$base-subtle: #E58F87;

{
    "color": {
        "base": {
            "value": "#180402",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F0",
                "type": "color"
            },
            "100": {
                "value": "#FDDBD8",
                "type": "color"
            },
            "200": {
                "value": "#F9B9B4",
                "type": "color"
            },
            "300": {
                "value": "#EE8A81",
                "type": "color"
            },
            "400": {
                "value": "#DF5E53",
                "type": "color"
            },
            "500": {
                "value": "#C53C30",
                "type": "color"
            },
            "600": {
                "value": "#96352C",
                "type": "color"
            },
            "700": {
                "value": "#6A2B25",
                "type": "color"
            },
            "800": {
                "value": "#451F1C",
                "type": "color"
            },
            "900": {
                "value": "#2A1513",
                "type": "color"
            }
        }
    }
}

Palettes built on #180402

Color Lab

Pairs with #180402

UI roles & guardrails

In real applications

Scales

Every model

Export