What color is #0B231C?

#0B231C is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(11, 35, 28), and in HSL hsl(163, 52%, 9%).

Is #0B231C accessible as text?

On white, #0B231C has a contrast ratio of 16.52:1 (passes WCAG AA for body text); on black it is 1.27:1 (fails). For text placed on #0B231C, use white for the best readability.

What is the closest Tailwind color to #0B231C?

The nearest Tailwind CSS token is stone-900 (#1C1917).

What colors go well with #0B231C?

As a neutral, #0B231C 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 #0B231C the same as CSS midnightblue?

No — #0B231C 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.

#0B231C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B231C

Not just a swatch — here's how #0B231C works with other colors. Named schemes with #0B231C in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #0B231C Secondary #734F19 Surface #E5DBC0 Accent #3B5141 Anchor #5B231F

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 #0B231C Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F 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.

Luxury Packaging Feature · 5 colors

Feature #0B231C Anchor #141210 Accent #BCA84C Secondary #1F2C28 Surface #F1EDE3

Graphite 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.

Moody Editorial Color · 5 colors

Color #0B231C Anchor #292A2E Secondary #6C6F74 Surface #EBE7DA Accent #000706

Graphite adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Graphite.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #0B231C Secondary #3B4340 Support #989286 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.

Build a working theme in the generator →

Color Lab

How #0B231C 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 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

High

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

Naturalness 24/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 13/100

Very low

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

UI accent fit 14/100

Very low

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

Surface fit 60/100

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 #0B231C

For UI

For branding

For interior

For fashion

People also use #0B231C with

British Racing Green Graphite 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 16.5:1. Use

Subtle surface Use #BFE2D8 for cards and hover fills. Tint 80

Avoid beside #0B2223 — 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 #0B231C 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: #0B231C;
  --color-base-rgb: 11 35 28;
  --color-base-oklch: oklch(23.4% 0.033 171.7);
  --color-50: #F3FCF9;
  --color-100: #DFF6EF;
  --color-200: #C1EBDF;
  --color-300: #96D9C6;
  --color-400: #6EC4AC;
  --color-500: #4DA88E;
  --color-600: #41816F;
  --color-700: #325C50;
  --color-800: #243D36;
  --color-900: #182622;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F3FCF9',
    100: '#DFF6EF',
    200: '#C1EBDF',
    300: '#96D9C6',
    400: '#6EC4AC',
    500: '#4DA88E',
    600: '#41816F',
    700: '#325C50',
    800: '#243D36',
    900: '#182622',
  },
}

$base: #0B231C;
$base-ink: #FFFFFF;
$base-50: #F3FCF9;
$base-100: #DFF6EF;
$base-200: #C1EBDF;
$base-300: #96D9C6;
$base-400: #6EC4AC;
$base-500: #4DA88E;
$base-600: #41816F;
$base-700: #325C50;
$base-800: #243D36;
$base-900: #182622;
$base-hover: #091C16;
$base-subtle: #9ED5C5;

{
    "color": {
        "base": {
            "value": "#0B231C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF9",
                "type": "color"
            },
            "100": {
                "value": "#DFF6EF",
                "type": "color"
            },
            "200": {
                "value": "#C1EBDF",
                "type": "color"
            },
            "300": {
                "value": "#96D9C6",
                "type": "color"
            },
            "400": {
                "value": "#6EC4AC",
                "type": "color"
            },
            "500": {
                "value": "#4DA88E",
                "type": "color"
            },
            "600": {
                "value": "#41816F",
                "type": "color"
            },
            "700": {
                "value": "#325C50",
                "type": "color"
            },
            "800": {
                "value": "#243D36",
                "type": "color"
            },
            "900": {
                "value": "#182622",
                "type": "color"
            }
        }
    }
}