What color is #2B0001?

#2B0001 is a very dark, vivid red. In RGB it is rgb(43, 0, 1), and in HSL hsl(359, 100%, 8%).

Is #2B0001 accessible as text?

On white, #2B0001 has a contrast ratio of 19.04:1 (passes WCAG AA for body text); on black it is 1.10:1 (fails). For text placed on #2B0001, use white for the best readability.

What is the closest Tailwind color to #2B0001?

The nearest Tailwind CSS token is taupe-900 (#1D1816).

What colors go well with #2B0001?

#2B0001 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #002928. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2B0001 below.

Is #2B0001 good for buttons?

#2B0001 works well for buttons and highlights, but use white text on #2B0001 — black text only reaches 1.10:1, below the 4.5:1 needed for normal-size labels.

Is #2B0001 the same as CSS black?

No — #2B0001 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#2B0001 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2B0001

Not just a swatch — here's how #2B0001 works with other colors. Named schemes with #2B0001 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #2B0001 Secondary #B76326 Accent #787743 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 #2B0001 Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

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 #2B0001 Surface #E3CEA8 Secondary #B17958 Accent #98976D 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 #2B0001 Surface #F0E9DC 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 #2B0001 Secondary #402E2C 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 #2B0001 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 70/100

Warm

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

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 80/100

High

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

Naturalness 79/100

High

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 81/100

Very high

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

Brand distinctiveness 29/100

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 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2B0001

For UI

For branding

For interior

For fashion

People also use #2B0001 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 #F2AEAF for cards and hover fills. Tint 80

Avoid beside #290D00 — 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 #2B0001 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: #2B0001;
  --color-base-rgb: 43 0 1;
  --color-base-oklch: oklch(18.2% 0.074 27.0);
  --color-50: #FEF0F1;
  --color-100: #FDD8D8;
  --color-200: #FCB1B2;
  --color-300: #F87779;
  --color-400: #EC4649;
  --color-500: #D22225;
  --color-600: #9F2325;
  --color-700: #701F20;
  --color-800: #481819;
  --color-900: #2C1112;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF0F1',
    100: '#FDD8D8',
    200: '#FCB1B2',
    300: '#F87779',
    400: '#EC4649',
    500: '#D22225',
    600: '#9F2325',
    700: '#701F20',
    800: '#481819',
    900: '#2C1112',
  },
}

$base: #2B0001;
$base-ink: #FFFFFF;
$base-50: #FEF0F1;
$base-100: #FDD8D8;
$base-200: #FCB1B2;
$base-300: #F87779;
$base-400: #EC4649;
$base-500: #D22225;
$base-600: #9F2325;
$base-700: #701F20;
$base-800: #481819;
$base-900: #2C1112;
$base-hover: #210001;
$base-subtle: #EE8385;

{
    "color": {
        "base": {
            "value": "#2B0001",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F1",
                "type": "color"
            },
            "100": {
                "value": "#FDD8D8",
                "type": "color"
            },
            "200": {
                "value": "#FCB1B2",
                "type": "color"
            },
            "300": {
                "value": "#F87779",
                "type": "color"
            },
            "400": {
                "value": "#EC4649",
                "type": "color"
            },
            "500": {
                "value": "#D22225",
                "type": "color"
            },
            "600": {
                "value": "#9F2325",
                "type": "color"
            },
            "700": {
                "value": "#701F20",
                "type": "color"
            },
            "800": {
                "value": "#481819",
                "type": "color"
            },
            "900": {
                "value": "#2C1112",
                "type": "color"
            }
        }
    }
}