What color is #0B331B?

#0B331B is a very dark green. In RGB it is rgb(11, 51, 27), and in HSL hsl(144, 65%, 12%).

Is #0B331B accessible as text?

On white, #0B331B has a contrast ratio of 13.97:1 (passes WCAG AA for body text); on black it is 1.50:1 (fails). For text placed on #0B331B, use white for the best readability.

What is the closest Tailwind color to #0B331B?

The nearest Tailwind CSS token is green-950 (#032E15).

What colors go well with #0B331B?

#0B331B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #320B23. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0B331B below.

Is #0B331B good for buttons?

#0B331B works well for buttons and highlights, but use white text on #0B331B — black text only reaches 1.50:1, below the 4.5:1 needed for normal-size labels.

Is #0B331B the same as CSS darkslategray?

No — #0B331B is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#0B331B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B331B

Not just a swatch — here's how #0B331B works with other colors. Named schemes with #0B331B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #0B331B Secondary #4B6C3D Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Sacramento Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #0B331B Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

Sacramento Green 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 #0B331B Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Sacramento Green 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 #0B331B Anchor #141210 Accent #BFA74B Secondary #212C24 Surface #F1EDE3

Sacramento Green 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 #0B331B Secondary #465249 Support #989286 Ink #17140F

Sacramento Green 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 Sacramento Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0B331B 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 46/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 70/100

High

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 28/100

Low

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B331B

For UI

For branding

For interior

For fashion

People also use #0B331B with

Castleton Green Bottle Green Deep Purple Platinum Hunter Green

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 14.0:1. Use

Subtle surface Use #BDE7CE for cards and hover fills. Tint 80

Avoid beside #0B3228 — 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 #0B331B 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: #0B331B;
  --color-base-rgb: 11 51 27;
  --color-base-oklch: oklch(28.6% 0.062 153.2);
  --color-50: #F2FDF6;
  --color-100: #DDF9E8;
  --color-200: #BCF1D1;
  --color-300: #8EE2AF;
  --color-400: #63CF8E;
  --color-500: #41B46F;
  --color-600: #388959;
  --color-700: #2D6242;
  --color-800: #21402D;
  --color-900: #16271D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F2FDF6',
    100: '#DDF9E8',
    200: '#BCF1D1',
    300: '#8EE2AF',
    400: '#63CF8E',
    500: '#41B46F',
    600: '#388959',
    700: '#2D6242',
    800: '#21402D',
    900: '#16271D',
  },
}

$base: #0B331B;
$base-ink: #FFFFFF;
$base-50: #F2FDF6;
$base-100: #DDF9E8;
$base-200: #BCF1D1;
$base-300: #8EE2AF;
$base-400: #63CF8E;
$base-500: #41B46F;
$base-600: #388959;
$base-700: #2D6242;
$base-800: #21402D;
$base-900: #16271D;
$base-hover: #092815;
$base-subtle: #9ADDB5;

{
    "color": {
        "base": {
            "value": "#0B331B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF6",
                "type": "color"
            },
            "100": {
                "value": "#DDF9E8",
                "type": "color"
            },
            "200": {
                "value": "#BCF1D1",
                "type": "color"
            },
            "300": {
                "value": "#8EE2AF",
                "type": "color"
            },
            "400": {
                "value": "#63CF8E",
                "type": "color"
            },
            "500": {
                "value": "#41B46F",
                "type": "color"
            },
            "600": {
                "value": "#388959",
                "type": "color"
            },
            "700": {
                "value": "#2D6242",
                "type": "color"
            },
            "800": {
                "value": "#21402D",
                "type": "color"
            },
            "900": {
                "value": "#16271D",
                "type": "color"
            }
        }
    }
}

Palettes built on #0B331B

Color Lab

Pairs with #0B331B

UI roles & guardrails

In real applications

Scales

Every model

Export