What color is #0B210E?

#0B210E is a very dark green. In RGB it is rgb(11, 33, 14), and in HSL hsl(128, 50%, 9%).

Is #0B210E accessible as text?

On white, #0B210E has a contrast ratio of 16.96:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #0B210E, use white for the best readability.

What is the closest Tailwind color to #0B210E?

The nearest Tailwind CSS token is olive-900 (#1D1D16).

What colors go well with #0B210E?

#0B210E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #220B1F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0B210E below.

Is #0B210E good for buttons?

#0B210E works well for buttons and highlights, but use white text on #0B210E — black text only reaches 1.24:1, below the 4.5:1 needed for normal-size labels.

Is #0B210E the same as CSS darkslategray?

No — #0B210E 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.

#0B210E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B210E

Not just a swatch — here's how #0B210E works with other colors. Named schemes with #0B210E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #0B210E Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Graphite 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 #0B210E Secondary #754E1B Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

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 #0B210E Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

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 #0B210E Anchor #141210 Accent #C0A64B Secondary #232C23 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #0B210E Secondary #394039 Support #989286 Ink #17140F

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 #0B210E 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

High

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

Naturalness 60/100

Moderate

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

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 18/100

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 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B210E

For UI

For branding

For interior

For fashion

People also use #0B210E with

British Racing Green Graphite 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 17.0:1. Use

Subtle surface Use #C0E1C4 for cards and hover fills. Tint 80

Avoid beside #0B2216 — 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 #0B210E 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: #0B210E;
  --color-base-rgb: 11 33 14;
  --color-base-oklch: oklch(22.3% 0.046 146.7);
  --color-50: #F3FCF4;
  --color-100: #E0F5E3;
  --color-200: #C2EBC7;
  --color-300: #97D8A0;
  --color-400: #70C27B;
  --color-500: #4EA65A;
  --color-600: #42804A;
  --color-700: #335C39;
  --color-800: #243C28;
  --color-900: #18251A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F3FCF4',
    100: '#E0F5E3',
    200: '#C2EBC7',
    300: '#97D8A0',
    400: '#70C27B',
    500: '#4EA65A',
    600: '#42804A',
    700: '#335C39',
    800: '#243C28',
    900: '#18251A',
  },
}

$base: #0B210E;
$base-ink: #FFFFFF;
$base-50: #F3FCF4;
$base-100: #E0F5E3;
$base-200: #C2EBC7;
$base-300: #97D8A0;
$base-400: #70C27B;
$base-500: #4EA65A;
$base-600: #42804A;
$base-700: #335C39;
$base-800: #243C28;
$base-900: #18251A;
$base-hover: #091C0C;
$base-subtle: #9FD4A6;

{
    "color": {
        "base": {
            "value": "#0B210E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF4",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E3",
                "type": "color"
            },
            "200": {
                "value": "#C2EBC7",
                "type": "color"
            },
            "300": {
                "value": "#97D8A0",
                "type": "color"
            },
            "400": {
                "value": "#70C27B",
                "type": "color"
            },
            "500": {
                "value": "#4EA65A",
                "type": "color"
            },
            "600": {
                "value": "#42804A",
                "type": "color"
            },
            "700": {
                "value": "#335C39",
                "type": "color"
            },
            "800": {
                "value": "#243C28",
                "type": "color"
            },
            "900": {
                "value": "#18251A",
                "type": "color"
            }
        }
    }
}