What color is #1B0317?

#1B0317 is a very dark, vivid magenta. In RGB it is rgb(27, 3, 23), and in HSL hsl(310, 80%, 6%).

Is #1B0317 accessible as text?

On white, #1B0317 has a contrast ratio of 19.59:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #1B0317, use white for the best readability.

What is the closest Tailwind color to #1B0317?

The nearest Tailwind CSS token is mauve-950 (#0C090C).

What colors go well with #1B0317?

#1B0317 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #031C07. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1B0317 below.

Is #1B0317 good for buttons?

#1B0317 works well for buttons and highlights, but use white text on #1B0317 — black text only reaches 1.07:1, below the 4.5:1 needed for normal-size labels.

Is #1B0317 the same as CSS black?

No — #1B0317 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#1B0317 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1B0317

Not just a swatch — here's how #1B0317 works with other colors. Named schemes with #1B0317 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #1B0317 Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

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 #1B0317 Surface #F1E8DC Highlight #F7F0E7 Secondary #BCADA0 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.

Luxury Packaging Feature · 5 colors

Feature #1B0317 Anchor #141210 Accent #D69A52 Secondary #2F252D Surface #F3EDE3

Jet Black carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #1B0317 Secondary #352A32 Support #9C9087 Ink #18140F

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.

Berry & Cream Lead · 5 colors

Lead #1B0317 Surface #F4E6D7 Anchor #5D203C Accent #E6C2C5 Secondary #332B2E

Jet Black sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Build a working theme in the generator →

Color Lab

How #1B0317 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 54/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 17/100

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 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

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 22/100

Low

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

UI accent fit 7/100

Very low

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

Surface fit 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1B0317

For UI

For branding

For interior

For fashion

People also use #1B0317 with

Deep Purple Jet Black Graphite Gainsboro Eggplant

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 19.6:1. Use

Subtle surface Use #EBB3E1 for cards and hover fills. Tint 80

Avoid beside #1C030F — 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 #1B0317 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: #1B0317;
  --color-base-rgb: 27 3 23;
  --color-base-oklch: oklch(16.1% 0.057 334.6);
  --color-50: #FEF1FC;
  --color-100: #FCD9F6;
  --color-200: #F7B6EC;
  --color-300: #EB84DA;
  --color-400: #DB57C5;
  --color-500: #C134A9;
  --color-600: #932F82;
  --color-700: #68275D;
  --color-800: #441D3D;
  --color-900: #291426;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF1FC',
    100: '#FCD9F6',
    200: '#F7B6EC',
    300: '#EB84DA',
    400: '#DB57C5',
    500: '#C134A9',
    600: '#932F82',
    700: '#68275D',
    800: '#441D3D',
    900: '#291426',
  },
}

$base: #1B0317;
$base-ink: #FFFFFF;
$base-50: #FEF1FC;
$base-100: #FCD9F6;
$base-200: #F7B6EC;
$base-300: #EB84DA;
$base-400: #DB57C5;
$base-500: #C134A9;
$base-600: #932F82;
$base-700: #68275D;
$base-800: #441D3D;
$base-900: #291426;
$base-hover: #160213;
$base-subtle: #E38BD4;

{
    "color": {
        "base": {
            "value": "#1B0317",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1FC",
                "type": "color"
            },
            "100": {
                "value": "#FCD9F6",
                "type": "color"
            },
            "200": {
                "value": "#F7B6EC",
                "type": "color"
            },
            "300": {
                "value": "#EB84DA",
                "type": "color"
            },
            "400": {
                "value": "#DB57C5",
                "type": "color"
            },
            "500": {
                "value": "#C134A9",
                "type": "color"
            },
            "600": {
                "value": "#932F82",
                "type": "color"
            },
            "700": {
                "value": "#68275D",
                "type": "color"
            },
            "800": {
                "value": "#441D3D",
                "type": "color"
            },
            "900": {
                "value": "#291426",
                "type": "color"
            }
        }
    }
}

Palettes built on #1B0317

Color Lab

Pairs with #1B0317

UI roles & guardrails

In real applications

Scales

Every model

Export