What color is #0B1819?

#0B1819 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(11, 24, 25), and in HSL hsl(184, 39%, 7%).

Is #0B1819 accessible as text?

On white, #0B1819 has a contrast ratio of 18.12:1 (passes WCAG AA for body text); on black it is 1.16:1 (fails). For text placed on #0B1819, use white for the best readability.

What is the closest Tailwind color to #0B1819?

The nearest Tailwind CSS token is neutral-900 (#171717).

What colors go well with #0B1819?

As a neutral, #0B1819 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 #0B1819 the same as CSS midnightblue?

No — #0B1819 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#0B1819 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B1819

Not just a swatch — here's how #0B1819 works with other colors. Named schemes with #0B1819 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #0B1819 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #293536

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

Vintage Leather Lead · 5 colors

Lead #0B1819 Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

Graphite 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 #0B1819 Surface #EDEADC Highlight #F5F2E7 Secondary #B4B19F Ink #2A2723

Graphite 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.

Coastal Morning Lead · 5 colors

Lead #0B1819 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Graphite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #0B1819 Secondary #343839 Support #979286 Ink #16140F

Graphite 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 Graphite carrying the quiet middle.

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Color Lab

How #0B1819 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 45/100

Neutral

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 74/100

High

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

Brand distinctiveness 7/100

Very low

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

UI accent fit 8/100

Very low

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

Surface fit 67/100

High

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

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B1819

For UI

For branding

For interior

For fashion

People also use #0B1819 with

Sacramento Green Jet Black Platinum Dark Slate Gray

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 18.1:1. Use

Subtle surface Use #C2DBDD for cards and hover fills. Tint 80

Avoid beside #0B1319 — 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 #0B1819 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: #0B1819;
  --color-base-rgb: 11 24 25;
  --color-base-oklch: oklch(19.8% 0.018 202.0);
  --color-50: #F4FAFB;
  --color-100: #E2F2F3;
  --color-200: #C6E4E6;
  --color-300: #9ECDD1;
  --color-400: #79B5B9;
  --color-500: #58989D;
  --color-600: #497679;
  --color-700: #385557;
  --color-800: #27393A;
  --color-900: #192324;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F4FAFB',
    100: '#E2F2F3',
    200: '#C6E4E6',
    300: '#9ECDD1',
    400: '#79B5B9',
    500: '#58989D',
    600: '#497679',
    700: '#385557',
    800: '#27393A',
    900: '#192324',
  },
}

$base: #0B1819;
$base-ink: #FFFFFF;
$base-50: #F4FAFB;
$base-100: #E2F2F3;
$base-200: #C6E4E6;
$base-300: #9ECDD1;
$base-400: #79B5B9;
$base-500: #58989D;
$base-600: #497679;
$base-700: #385557;
$base-800: #27393A;
$base-900: #192324;
$base-hover: #091314;
$base-subtle: #A3CACD;

{
    "color": {
        "base": {
            "value": "#0B1819",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E2F2F3",
                "type": "color"
            },
            "200": {
                "value": "#C6E4E6",
                "type": "color"
            },
            "300": {
                "value": "#9ECDD1",
                "type": "color"
            },
            "400": {
                "value": "#79B5B9",
                "type": "color"
            },
            "500": {
                "value": "#58989D",
                "type": "color"
            },
            "600": {
                "value": "#497679",
                "type": "color"
            },
            "700": {
                "value": "#385557",
                "type": "color"
            },
            "800": {
                "value": "#27393A",
                "type": "color"
            },
            "900": {
                "value": "#192324",
                "type": "color"
            }
        }
    }
}

Palettes built on #0B1819

Color Lab

Pairs with #0B1819

UI roles & guardrails

In real applications

Scales

Every model

Export