What color is #0B0503?

#0B0503 is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(11, 5, 3), and in HSL hsl(15, 57%, 3%).

Is #0B0503 accessible as text?

On white, #0B0503 has a contrast ratio of 20.25:1 (passes WCAG AA for body text); on black it is 1.04:1 (fails). For text placed on #0B0503, use white for the best readability.

What is the closest Tailwind color to #0B0503?

The nearest Tailwind CSS token is zinc-950 (#09090B).

What colors go well with #0B0503?

As a neutral, #0B0503 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #0B0503 the same as CSS black?

No — #0B0503 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#0B0503 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B0503

Not just a swatch — here's how #0B0503 works with other colors. Named schemes with #0B0503 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #0B0503 Surface #15161A Highlight #F4F6F8 Secondary #5F6473 Accent #261E1B

Jet Black is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Jet Black.

Vintage Leather Lead · 5 colors

Lead #0B0503 Secondary #7A4A25 Surface #E9D9C0 Accent #42503B Anchor #5B222C

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 #0B0503 Surface #F0E9DC Highlight #F6F1E7 Secondary #BAAE9F 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 #0B0503 Anchor #141210 Accent #CE9F4C Secondary #312620 Surface #F2EDE3

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 #0B0503 Secondary #272423 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.

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Color Lab

How #0B0503 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 55/100

Neutral

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

Softness 15/100

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 32/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 79/100

High

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

Brand distinctiveness 6/100

Very low

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

UI accent fit 3/100

Very low

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

Surface fit 72/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B0503

For UI

For branding

For interior

For fashion

People also use #0B0503 with

Graphite Jet Black Greige 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 20.2:1. Use

Subtle surface Use #E2C3B9 for cards and hover fills. Tint 80

Avoid beside #0C0803 — 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 #0B0503 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: #0B0503;
  --color-base-rgb: 11 5 3;
  --color-base-oklch: oklch(12.4% 0.015 47.0);
  --color-50: #FCF5F3;
  --color-100: #F7E4DE;
  --color-200: #EDCBBF;
  --color-300: #DCA593;
  --color-400: #C8816A;
  --color-500: #AD6148;
  --color-600: #844F3D;
  --color-700: #5E3C30;
  --color-800: #3E2A23;
  --color-900: #261B17;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FCF5F3',
    100: '#F7E4DE',
    200: '#EDCBBF',
    300: '#DCA593',
    400: '#C8816A',
    500: '#AD6148',
    600: '#844F3D',
    700: '#5E3C30',
    800: '#3E2A23',
    900: '#261B17',
  },
}

$base: #0B0503;
$base-ink: #FFFFFF;
$base-50: #FCF5F3;
$base-100: #F7E4DE;
$base-200: #EDCBBF;
$base-300: #DCA593;
$base-400: #C8816A;
$base-500: #AD6148;
$base-600: #844F3D;
$base-700: #5E3C30;
$base-800: #3E2A23;
$base-900: #261B17;
$base-hover: #0A0403;
$base-subtle: #D5A595;

{
    "color": {
        "base": {
            "value": "#0B0503",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF5F3",
                "type": "color"
            },
            "100": {
                "value": "#F7E4DE",
                "type": "color"
            },
            "200": {
                "value": "#EDCBBF",
                "type": "color"
            },
            "300": {
                "value": "#DCA593",
                "type": "color"
            },
            "400": {
                "value": "#C8816A",
                "type": "color"
            },
            "500": {
                "value": "#AD6148",
                "type": "color"
            },
            "600": {
                "value": "#844F3D",
                "type": "color"
            },
            "700": {
                "value": "#5E3C30",
                "type": "color"
            },
            "800": {
                "value": "#3E2A23",
                "type": "color"
            },
            "900": {
                "value": "#261B17",
                "type": "color"
            }
        }
    }
}

Palettes built on #0B0503

Color Lab

Pairs with #0B0503

UI roles & guardrails

In real applications

Scales

Every model

Export