What color is #121E18?

#121E18 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(18, 30, 24), and in HSL hsl(150, 25%, 9%).

Is #121E18 accessible as text?

On white, #121E18 has a contrast ratio of 17.15:1 (passes WCAG AA for body text); on black it is 1.22:1 (fails). For text placed on #121E18, use white for the best readability.

What is the closest Tailwind color to #121E18?

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

What colors go well with #121E18?

As a neutral, #121E18 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 #121E18 the same as CSS midnightblue?

No — #121E18 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.

#121E18 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #121E18

Not just a swatch — here's how #121E18 works with other colors. Named schemes with #121E18 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #121E18 Secondary #496C3E Accent #AB6D00 Surface #EEEAD6 Anchor #3C2F20

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

Tech Product Signal · 5 colors

Signal #121E18 Surface #13161A Highlight #F4F6F8 Secondary #586771 Accent #303B35

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 #121E18 Secondary #744F1A Surface #E5DBC0 Accent #3B5141 Anchor #5B2320

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 #121E18 Surface #EDEADC Highlight #F5F1E7 Secondary #B6B09F 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #121E18 Secondary #3A3F3C 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.

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Color Lab

How #121E18 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 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

High

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

Naturalness 24/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 73/100

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 #121E18

For UI

For branding

For interior

For fashion

People also use #121E18 with

Sacramento 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 17.1:1. Use

Subtle surface Use #C8D9D1 for cards and hover fills. Tint 80

Avoid beside #111D1B — 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 #121E18 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: #121E18;
  --color-base-rgb: 18 30 24;
  --color-base-oklch: oklch(22.1% 0.021 162.4);
  --color-50: #F5F9F7;
  --color-100: #E5F0EB;
  --color-200: #CCE0D6;
  --color-300: #A7C8B8;
  --color-400: #84AE99;
  --color-500: #64907A;
  --color-600: #517061;
  --color-700: #3D5147;
  --color-800: #2A3630;
  --color-900: #1B221F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F5F9F7',
    100: '#E5F0EB',
    200: '#CCE0D6',
    300: '#A7C8B8',
    400: '#84AE99',
    500: '#64907A',
    600: '#517061',
    700: '#3D5147',
    800: '#2A3630',
    900: '#1B221F',
  },
}

$base: #121E18;
$base-ink: #FFFFFF;
$base-50: #F5F9F7;
$base-100: #E5F0EB;
$base-200: #CCE0D6;
$base-300: #A7C8B8;
$base-400: #84AE99;
$base-500: #64907A;
$base-600: #517061;
$base-700: #3D5147;
$base-800: #2A3630;
$base-900: #1B221F;
$base-hover: #0E1712;
$base-subtle: #ACC7B9;

{
    "color": {
        "base": {
            "value": "#121E18",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E5F0EB",
                "type": "color"
            },
            "200": {
                "value": "#CCE0D6",
                "type": "color"
            },
            "300": {
                "value": "#A7C8B8",
                "type": "color"
            },
            "400": {
                "value": "#84AE99",
                "type": "color"
            },
            "500": {
                "value": "#64907A",
                "type": "color"
            },
            "600": {
                "value": "#517061",
                "type": "color"
            },
            "700": {
                "value": "#3D5147",
                "type": "color"
            },
            "800": {
                "value": "#2A3630",
                "type": "color"
            },
            "900": {
                "value": "#1B221F",
                "type": "color"
            }
        }
    }
}

Palettes built on #121E18

Color Lab

Pairs with #121E18

UI roles & guardrails

In real applications

Scales

Every model

Export