What color is #15031D?

#15031D is a very dark, vivid purple. In RGB it is rgb(21, 3, 29), and in HSL hsl(282, 81%, 6%).

Is #15031D accessible as text?

On white, #15031D has a contrast ratio of 19.76:1 (passes WCAG AA for body text); on black it is 1.06:1 (fails). For text placed on #15031D, use white for the best readability.

What is the closest Tailwind color to #15031D?

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

What colors go well with #15031D?

#15031D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0A1C03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #15031D below.

Is #15031D good for buttons?

#15031D works well for buttons and highlights, but use white text on #15031D — black text only reaches 1.06:1, below the 4.5:1 needed for normal-size labels.

Is #15031D the same as CSS black?

No — #15031D is not the CSS named color black, but black (#000000) is the closest CSS named color.

#15031D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #15031D

Not just a swatch — here's how #15031D works with other colors. Named schemes with #15031D in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #15031D Secondary #7E4630 Surface #ECD8C1 Accent #355249 Anchor #592235

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 #15031D Surface #F1E8DC Highlight #F7F0E7 Secondary #BDADA1 Ink #2C2723

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 #15031D Anchor #141210 Accent #D89954 Secondary #2D2630 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 #F8F4EF Accent #15031D Secondary #302934 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 #15031D Surface #F5E6D7 Anchor #5D203F Accent #E5C2C6 Secondary #332B2F

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 #15031D 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 48/100

Neutral

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

Softness 16/100

Very low

Firm and assertive — carries weight and contrast.

Depth 82/100

Very high

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 82/100

Very high

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

Brand distinctiveness 23/100

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 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #15031D

For UI

For branding

For interior

For fashion

People also use #15031D with

Navy 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 19.8:1. Use

Subtle surface Use #DAB3EB for cards and hover fills. Tint 80

Avoid beside #1C031B — 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 #15031D 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: #15031D;
  --color-base-rgb: 21 3 29;
  --color-base-oklch: oklch(15.4% 0.060 314.7);
  --color-50: #FAF1FE;
  --color-100: #F2D9FC;
  --color-200: #E3B5F7;
  --color-300: #CD83EC;
  --color-400: #B456DC;
  --color-500: #9733C2;
  --color-600: #752E93;
  --color-700: #542768;
  --color-800: #381D44;
  --color-900: #23142A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FAF1FE',
    100: '#F2D9FC',
    200: '#E3B5F7',
    300: '#CD83EC',
    400: '#B456DC',
    500: '#9733C2',
    600: '#752E93',
    700: '#542768',
    800: '#381D44',
    900: '#23142A',
  },
}

$base: #15031D;
$base-ink: #FFFFFF;
$base-50: #FAF1FE;
$base-100: #F2D9FC;
$base-200: #E3B5F7;
$base-300: #CD83EC;
$base-400: #B456DC;
$base-500: #9733C2;
$base-600: #752E93;
$base-700: #542768;
$base-800: #381D44;
$base-900: #23142A;
$base-hover: #100216;
$base-subtle: #C98BE3;

{
    "color": {
        "base": {
            "value": "#15031D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF1FE",
                "type": "color"
            },
            "100": {
                "value": "#F2D9FC",
                "type": "color"
            },
            "200": {
                "value": "#E3B5F7",
                "type": "color"
            },
            "300": {
                "value": "#CD83EC",
                "type": "color"
            },
            "400": {
                "value": "#B456DC",
                "type": "color"
            },
            "500": {
                "value": "#9733C2",
                "type": "color"
            },
            "600": {
                "value": "#752E93",
                "type": "color"
            },
            "700": {
                "value": "#542768",
                "type": "color"
            },
            "800": {
                "value": "#381D44",
                "type": "color"
            },
            "900": {
                "value": "#23142A",
                "type": "color"
            }
        }
    }
}

Palettes built on #15031D

Color Lab

Pairs with #15031D

UI roles & guardrails

In real applications

Scales

Every model

Export