What color is #121F1B?

#121F1B is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(18, 31, 27), and in HSL hsl(162, 27%, 10%).

Is #121F1B accessible as text?

On white, #121F1B has a contrast ratio of 16.97:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #121F1B, use white for the best readability.

What is the closest Tailwind color to #121F1B?

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

What colors go well with #121F1B?

As a neutral, #121F1B 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 #121F1B the same as CSS midnightblue?

No — #121F1B 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.

#121F1B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #121F1B

Not just a swatch — here's how #121F1B works with other colors. Named schemes with #121F1B in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #121F1B Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #303D38

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 #121F1B Secondary #734F19 Surface #E4DBC0 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 #121F1B 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 #121F1B 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #121F1B Secondary #3B403E 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 #121F1B 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 47/100

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 16/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 72/100

High

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

Brand distinctiveness 8/100

Very low

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

UI accent fit 11/100

Very low

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

Surface fit 64/100

High

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

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #121F1B

For UI

For branding

For interior

For fashion

People also use #121F1B with

Bottle 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 17.0:1. Use

Subtle surface Use #C8DAD5 for cards and hover fills. Tint 80

Avoid beside #132020 — 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 #121F1B 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: #121F1B;
  --color-base-rgb: 18 31 27;
  --color-base-oklch: oklch(22.6% 0.020 173.3);
  --color-50: #F5FAF8;
  --color-100: #E5F0ED;
  --color-200: #CBE1DB;
  --color-300: #A6C9BF;
  --color-400: #83AFA2;
  --color-500: #639284;
  --color-600: #507268;
  --color-700: #3D524C;
  --color-800: #2A3733;
  --color-900: #1B2220;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F5FAF8',
    100: '#E5F0ED',
    200: '#CBE1DB',
    300: '#A6C9BF',
    400: '#83AFA2',
    500: '#639284',
    600: '#507268',
    700: '#3D524C',
    800: '#2A3733',
    900: '#1B2220',
  },
}

$base: #121F1B;
$base-ink: #FFFFFF;
$base-50: #F5FAF8;
$base-100: #E5F0ED;
$base-200: #CBE1DB;
$base-300: #A6C9BF;
$base-400: #83AFA2;
$base-500: #639284;
$base-600: #507268;
$base-700: #3D524C;
$base-800: #2A3733;
$base-900: #1B2220;
$base-hover: #0F1A17;
$base-subtle: #ACC8C0;

{
    "color": {
        "base": {
            "value": "#121F1B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAF8",
                "type": "color"
            },
            "100": {
                "value": "#E5F0ED",
                "type": "color"
            },
            "200": {
                "value": "#CBE1DB",
                "type": "color"
            },
            "300": {
                "value": "#A6C9BF",
                "type": "color"
            },
            "400": {
                "value": "#83AFA2",
                "type": "color"
            },
            "500": {
                "value": "#639284",
                "type": "color"
            },
            "600": {
                "value": "#507268",
                "type": "color"
            },
            "700": {
                "value": "#3D524C",
                "type": "color"
            },
            "800": {
                "value": "#2A3733",
                "type": "color"
            },
            "900": {
                "value": "#1B2220",
                "type": "color"
            }
        }
    }
}

Palettes built on #121F1B

Color Lab

Pairs with #121F1B

UI roles & guardrails

In real applications

Scales

Every model

Export