What color is #280307?

#280307 is a very dark, vivid red. In RGB it is rgb(40, 3, 7), and in HSL hsl(354, 86%, 8%).

Is #280307 accessible as text?

On white, #280307 has a contrast ratio of 18.98:1 (passes WCAG AA for body text); on black it is 1.11:1 (fails). For text placed on #280307, use white for the best readability.

What is the closest Tailwind color to #280307?

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

What colors go well with #280307?

#280307 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #032622. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #280307 below.

Is #280307 good for buttons?

#280307 works well for buttons and highlights, but use white text on #280307 — black text only reaches 1.11:1, below the 4.5:1 needed for normal-size labels.

Is #280307 the same as CSS black?

No — #280307 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#280307 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #280307

Not just a swatch — here's how #280307 works with other colors. Named schemes with #280307 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #280307 Secondary #B86228 Accent #797742 Surface #F4EBDD 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 #280307 Secondary #7C4928 Surface #EAD9C0 Accent #434F3A 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 #280307 Surface #E4CDA8 Secondary #B27959 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 #280307 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 #280307 Secondary #3E2F2F 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 #280307 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 66/100

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 54/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 38/100

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 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 #280307

For UI

For branding

For interior

For fashion

People also use #280307 with

Tyrian Purple Graphite 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 19.0:1. Use

Subtle surface Use #EDB3B9 for cards and hover fills. Tint 80

Avoid beside #260B03 — 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 #280307 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: #280307;
  --color-base-rgb: 40 3 7;
  --color-base-oklch: oklch(18.2% 0.063 18.3);
  --color-50: #FEF0F2;
  --color-100: #FDD8DC;
  --color-200: #F9B3BA;
  --color-300: #EF808B;
  --color-400: #E05260;
  --color-500: #C62F3E;
  --color-600: #962B36;
  --color-700: #6A252C;
  --color-800: #451C20;
  --color-900: #2A1315;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF0F2',
    100: '#FDD8DC',
    200: '#F9B3BA',
    300: '#EF808B',
    400: '#E05260',
    500: '#C62F3E',
    600: '#962B36',
    700: '#6A252C',
    800: '#451C20',
    900: '#2A1315',
  },
}

$base: #280307;
$base-ink: #FFFFFF;
$base-50: #FEF0F2;
$base-100: #FDD8DC;
$base-200: #F9B3BA;
$base-300: #EF808B;
$base-400: #E05260;
$base-500: #C62F3E;
$base-600: #962B36;
$base-700: #6A252C;
$base-800: #451C20;
$base-900: #2A1315;
$base-hover: #1E0205;
$base-subtle: #E78B94;

{
    "color": {
        "base": {
            "value": "#280307",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F2",
                "type": "color"
            },
            "100": {
                "value": "#FDD8DC",
                "type": "color"
            },
            "200": {
                "value": "#F9B3BA",
                "type": "color"
            },
            "300": {
                "value": "#EF808B",
                "type": "color"
            },
            "400": {
                "value": "#E05260",
                "type": "color"
            },
            "500": {
                "value": "#C62F3E",
                "type": "color"
            },
            "600": {
                "value": "#962B36",
                "type": "color"
            },
            "700": {
                "value": "#6A252C",
                "type": "color"
            },
            "800": {
                "value": "#451C20",
                "type": "color"
            },
            "900": {
                "value": "#2A1315",
                "type": "color"
            }
        }
    }
}