What color is #28040A?

#28040A is a very dark, vivid red. In RGB it is rgb(40, 4, 10), and in HSL hsl(350, 82%, 9%).

Is #28040A accessible as text?

On white, #28040A has a contrast ratio of 18.89:1 (passes WCAG AA for body text); on black it is 1.11:1 (fails). For text placed on #28040A, use white for the best readability.

What is the closest Tailwind color to #28040A?

The nearest Tailwind CSS token is mauve-900 (#1D161E).

What colors go well with #28040A?

#28040A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #042A23. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #28040A below.

Is #28040A good for buttons?

#28040A works well for buttons and highlights, but use white text on #28040A — black text only reaches 1.11:1, below the 4.5:1 needed for normal-size labels.

Is #28040A the same as CSS black?

No — #28040A is not the CSS named color black, but black (#000000) is the closest CSS named color.

#28040A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #28040A

Not just a swatch — here's how #28040A works with other colors. Named schemes with #28040A in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #28040A Secondary #B86229 Accent #797642 Surface #F5EBDD Anchor #3B2A21

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 #28040A Secondary #7C4829 Surface #EAD9C1 Accent #444F3A Anchor #5A222F

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 #28040A Surface #E4CDA8 Secondary #B27859 Accent #99966D Anchor #3F2C21

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 #28040A Surface #F0E8DC Highlight #F7F1E7 Secondary #BBAEA0 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 #28040A Secondary #3F3031 Support #9B9087 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 #28040A 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 65/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 19/100

Very low

Firm and assertive — carries weight and contrast.

Depth 79/100

High

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

Naturalness 46/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 80/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 10/100

Very low

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

Surface fit 54/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #28040A

For UI

For branding

For interior

For fashion

People also use #28040A with

Tyrian Purple Graphite Gainsboro Taupe

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 18.9:1. Use

Subtle surface Use #ECB5BE for cards and hover fills. Tint 80

Avoid beside #2A0A04 — 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 #28040A 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: #28040A;
  --color-base-rgb: 40 4 10;
  --color-base-oklch: oklch(18.5% 0.061 14.3);
  --color-50: #FEF0F3;
  --color-100: #FCD9DF;
  --color-200: #F8B5C0;
  --color-300: #ED8394;
  --color-400: #DD556C;
  --color-500: #C3324A;
  --color-600: #942E3F;
  --color-700: #692631;
  --color-800: #441D23;
  --color-900: #2A1417;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF0F3',
    100: '#FCD9DF',
    200: '#F8B5C0',
    300: '#ED8394',
    400: '#DD556C',
    500: '#C3324A',
    600: '#942E3F',
    700: '#692631',
    800: '#441D23',
    900: '#2A1417',
  },
}

$base: #28040A;
$base-ink: #FFFFFF;
$base-50: #FEF0F3;
$base-100: #FCD9DF;
$base-200: #F8B5C0;
$base-300: #ED8394;
$base-400: #DD556C;
$base-500: #C3324A;
$base-600: #942E3F;
$base-700: #692631;
$base-800: #441D23;
$base-900: #2A1417;
$base-hover: #210308;
$base-subtle: #E58E9C;

{
    "color": {
        "base": {
            "value": "#28040A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F3",
                "type": "color"
            },
            "100": {
                "value": "#FCD9DF",
                "type": "color"
            },
            "200": {
                "value": "#F8B5C0",
                "type": "color"
            },
            "300": {
                "value": "#ED8394",
                "type": "color"
            },
            "400": {
                "value": "#DD556C",
                "type": "color"
            },
            "500": {
                "value": "#C3324A",
                "type": "color"
            },
            "600": {
                "value": "#942E3F",
                "type": "color"
            },
            "700": {
                "value": "#692631",
                "type": "color"
            },
            "800": {
                "value": "#441D23",
                "type": "color"
            },
            "900": {
                "value": "#2A1417",
                "type": "color"
            }
        }
    }
}