What color is #09121D?

#09121D is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(9, 18, 29), and in HSL hsl(213, 53%, 7%).

Is #09121D accessible as text?

On white, #09121D has a contrast ratio of 18.82:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #09121D, use white for the best readability.

What is the closest Tailwind color to #09121D?

The nearest Tailwind CSS token is gray-900 (#101828).

What colors go well with #09121D?

As a neutral, #09121D 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 #09121D the same as CSS midnightblue?

No — #09121D 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.

#09121D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #09121D

Not just a swatch — here's how #09121D works with other colors. Named schemes with #09121D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #09121D Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Nordic Calm Accent · 5 colors

Accent #09121D Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Jet Black keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #09121D Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #252E3A

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 #09121D Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #09121D Secondary #2F3337 Support #9D8F89 Ink #16140F

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 #09121D 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 43/100

Neutral

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

Softness 20/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

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 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 76/100

High

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

Brand distinctiveness 10/100

Very low

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

UI accent fit 7/100

Very low

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

Surface fit 65/100

High

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

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #09121D

For UI

For branding

For interior

For fashion

People also use #09121D with

Bottle Green 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 18.8:1. Use

Subtle surface Use #BDCEE2 for cards and hover fills. Tint 80

Avoid beside #080B1B — 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 #09121D 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: #09121D;
  --color-base-rgb: 9 18 29;
  --color-base-oklch: oklch(17.9% 0.027 254.0);
  --color-50: #F3F7FC;
  --color-100: #DFE9F6;
  --color-200: #C1D4EC;
  --color-300: #95B4DA;
  --color-400: #6D95C5;
  --color-500: #4C76A9;
  --color-600: #405E82;
  --color-700: #32455D;
  --color-800: #242F3D;
  --color-900: #171E26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F3F7FC',
    100: '#DFE9F6',
    200: '#C1D4EC',
    300: '#95B4DA',
    400: '#6D95C5',
    500: '#4C76A9',
    600: '#405E82',
    700: '#32455D',
    800: '#242F3D',
    900: '#171E26',
  },
}

$base: #09121D;
$base-ink: #FFFFFF;
$base-50: #F3F7FC;
$base-100: #DFE9F6;
$base-200: #C1D4EC;
$base-300: #95B4DA;
$base-400: #6D95C5;
$base-500: #4C76A9;
$base-600: #405E82;
$base-700: #32455D;
$base-800: #242F3D;
$base-900: #171E26;
$base-hover: #070E16;
$base-subtle: #9BB5D5;

{
    "color": {
        "base": {
            "value": "#09121D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE9F6",
                "type": "color"
            },
            "200": {
                "value": "#C1D4EC",
                "type": "color"
            },
            "300": {
                "value": "#95B4DA",
                "type": "color"
            },
            "400": {
                "value": "#6D95C5",
                "type": "color"
            },
            "500": {
                "value": "#4C76A9",
                "type": "color"
            },
            "600": {
                "value": "#405E82",
                "type": "color"
            },
            "700": {
                "value": "#32455D",
                "type": "color"
            },
            "800": {
                "value": "#242F3D",
                "type": "color"
            },
            "900": {
                "value": "#171E26",
                "type": "color"
            }
        }
    }
}

Palettes built on #09121D

Color Lab

Pairs with #09121D

UI roles & guardrails

In real applications

Scales

Every model

Export