What color is #101218?

#101218 is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(16, 18, 24), and in HSL hsl(225, 20%, 8%).

Is #101218 accessible as text?

On white, #101218 has a contrast ratio of 18.72:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #101218, use white for the best readability.

What is the closest Tailwind color to #101218?

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

What colors go well with #101218?

As a neutral, #101218 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 #101218 the same as CSS midnightblue?

No — #101218 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.

#101218 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #101218

Not just a swatch — here's how #101218 works with other colors. Named schemes with #101218 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #101218 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #2C2E34

Jet Black is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Jet Black.

Vintage Leather Lead · 5 colors

Lead #101218 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Jet Black 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 #101218 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEACA2 Ink #2C2724

Jet Black 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.

Coastal Morning Lead · 5 colors

Lead #101218 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Jet Black opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #101218 Secondary #333336 Support #9D8F88 Ink #18140F

Jet Black 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 Jet Black carrying the quiet middle.

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Color Lab

How #101218 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 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 76/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 75/100

High

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

Brand distinctiveness 5/100

Very low

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

UI accent fit 6/100

Very low

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

Surface fit 69/100

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 #101218

For UI

For branding

For interior

For fashion

People also use #101218 with

Gunmetal Gray Jet Black 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 18.7:1. Use

Subtle surface Use #C9CDD7 for cards and hover fills. Tint 80

Avoid beside #111018 — 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 #101218 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: #101218;
  --color-base-rgb: 16 18 24;
  --color-base-oklch: oklch(18.3% 0.013 270.6);
  --color-50: #F6F7F9;
  --color-100: #E6E8EF;
  --color-200: #CED2DE;
  --color-300: #ABB1C5;
  --color-400: #8891AA;
  --color-500: #69728C;
  --color-600: #545B6D;
  --color-700: #3F434F;
  --color-800: #2C2E35;
  --color-900: #1C1D21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F6F7F9',
    100: '#E6E8EF',
    200: '#CED2DE',
    300: '#ABB1C5',
    400: '#8891AA',
    500: '#69728C',
    600: '#545B6D',
    700: '#3F434F',
    800: '#2C2E35',
    900: '#1C1D21',
  },
}

$base: #101218;
$base-ink: #FFFFFF;
$base-50: #F6F7F9;
$base-100: #E6E8EF;
$base-200: #CED2DE;
$base-300: #ABB1C5;
$base-400: #8891AA;
$base-500: #69728C;
$base-600: #545B6D;
$base-700: #3F434F;
$base-800: #2C2E35;
$base-900: #1C1D21;
$base-hover: #0D0F14;
$base-subtle: #AEB3C3;

{
    "color": {
        "base": {
            "value": "#101218",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F7F9",
                "type": "color"
            },
            "100": {
                "value": "#E6E8EF",
                "type": "color"
            },
            "200": {
                "value": "#CED2DE",
                "type": "color"
            },
            "300": {
                "value": "#ABB1C5",
                "type": "color"
            },
            "400": {
                "value": "#8891AA",
                "type": "color"
            },
            "500": {
                "value": "#69728C",
                "type": "color"
            },
            "600": {
                "value": "#545B6D",
                "type": "color"
            },
            "700": {
                "value": "#3F434F",
                "type": "color"
            },
            "800": {
                "value": "#2C2E35",
                "type": "color"
            },
            "900": {
                "value": "#1C1D21",
                "type": "color"
            }
        }
    }
}

Palettes built on #101218

Color Lab

Pairs with #101218

UI roles & guardrails

In real applications

Scales

Every model

Export