What color is #18131A?

#18131A is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(24, 19, 26), and in HSL hsl(283, 16%, 9%).

Is #18131A accessible as text?

On white, #18131A has a contrast ratio of 18.31:1 (passes WCAG AA for body text); on black it is 1.15:1 (fails). For text placed on #18131A, use white for the best readability.

What is the closest Tailwind color to #18131A?

The nearest Tailwind CSS token is neutral-900 (#171717).

What colors go well with #18131A?

As a neutral, #18131A 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 #18131A the same as CSS midnightblue?

No — #18131A 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.

#18131A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18131A

Not just a swatch — here's how #18131A works with other colors. Named schemes with #18131A in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #18131A Surface #14161A Highlight #F4F6F8 Secondary #5C6573 Accent #353037

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 #18131A Secondary #7E4630 Surface #ECD8C1 Accent #345249 Anchor #592235

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 #18131A Surface #F1E8DC Highlight #F7F0E7 Secondary #BDADA1 Ink #2C2723

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.

Berry & Cream Lead · 5 colors

Lead #18131A Surface #F5E6D7 Anchor #5D203E Accent #E5C2C6 Secondary #332B2F

Graphite sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #18131A Secondary #383639 Support #9C9087 Ink #18140F

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 #18131A 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 50/100

Neutral

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 74/100

High

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

Brand distinctiveness 6/100

Very low

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

UI accent fit 8/100

Very low

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

Surface fit 67/100

High

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

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #18131A

For UI

For branding

For interior

For fashion

People also use #18131A with

Graphite Gainsboro Charcoal

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 18.3:1. Use

Subtle surface Use #D3CBD6 for cards and hover fills. Tint 80

Avoid beside #1B131A — 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 #18131A 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: #18131A;
  --color-base-rgb: 24 19 26;
  --color-base-oklch: oklch(19.6% 0.016 316.3);
  --color-50: #F8F6F9;
  --color-100: #ECE7EE;
  --color-200: #D9D0DD;
  --color-300: #BCADC2;
  --color-400: #9F8CA6;
  --color-500: #816C88;
  --color-600: #65576B;
  --color-700: #4A414E;
  --color-800: #322D34;
  --color-900: #201C21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F8F6F9',
    100: '#ECE7EE',
    200: '#D9D0DD',
    300: '#BCADC2',
    400: '#9F8CA6',
    500: '#816C88',
    600: '#65576B',
    700: '#4A414E',
    800: '#322D34',
    900: '#201C21',
  },
}

$base: #18131A;
$base-ink: #FFFFFF;
$base-50: #F8F6F9;
$base-100: #ECE7EE;
$base-200: #D9D0DD;
$base-300: #BCADC2;
$base-400: #9F8CA6;
$base-500: #816C88;
$base-600: #65576B;
$base-700: #4A414E;
$base-800: #322D34;
$base-900: #201C21;
$base-hover: #140F15;
$base-subtle: #BDB1C2;

{
    "color": {
        "base": {
            "value": "#18131A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F6F9",
                "type": "color"
            },
            "100": {
                "value": "#ECE7EE",
                "type": "color"
            },
            "200": {
                "value": "#D9D0DD",
                "type": "color"
            },
            "300": {
                "value": "#BCADC2",
                "type": "color"
            },
            "400": {
                "value": "#9F8CA6",
                "type": "color"
            },
            "500": {
                "value": "#816C88",
                "type": "color"
            },
            "600": {
                "value": "#65576B",
                "type": "color"
            },
            "700": {
                "value": "#4A414E",
                "type": "color"
            },
            "800": {
                "value": "#322D34",
                "type": "color"
            },
            "900": {
                "value": "#201C21",
                "type": "color"
            }
        }
    }
}

Palettes built on #18131A

Color Lab

Pairs with #18131A

UI roles & guardrails

In real applications

Scales

Every model

Export