What color is #001321?

#001321 is a very dark, vivid cyan-blue. In RGB it is rgb(0, 19, 33), and in HSL hsl(205, 100%, 6%).

Is #001321 accessible as text?

On white, #001321 has a contrast ratio of 18.83:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #001321, use white for the best readability.

What is the closest Tailwind color to #001321?

The nearest Tailwind CSS token is mist-950 (#090B0C).

What colors go well with #001321?

#001321 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1F0D00. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #001321 below.

Is #001321 good for buttons?

#001321 works well for buttons and highlights, but use white text on #001321 — black text only reaches 1.12:1, below the 4.5:1 needed for normal-size labels.

Is #001321 the same as CSS midnightblue?

No — #001321 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.

#001321 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #001321

Not just a swatch — here's how #001321 works with other colors. Named schemes with #001321 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #001321 Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #001321 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #001321 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #1C303E

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 #001321 Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

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 #001321 Secondary #2C3339 Support #969386 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.

Build a working theme in the generator →

Color Lab

How #001321 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 38/100

Neutral

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

Softness 19/100

Very low

Firm and assertive — carries weight and contrast.

Depth 78/100

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 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 78/100

High

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

Brand distinctiveness 16/100

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 61/100

High

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

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #001321

For UI

For branding

For interior

For fashion

People also use #001321 with

Brunswick Green Jet Black 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 #ADD5F2 for cards and hover fills. Tint 80

Avoid beside #00081F — 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 #001321 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: #001321;
  --color-base-rgb: 0 19 33;
  --color-base-oklch: oklch(17.8% 0.041 239.8);
  --color-50: #F0F9FE;
  --color-100: #D8EEFD;
  --color-200: #B1DCFC;
  --color-300: #77C2F8;
  --color-400: #46A7EC;
  --color-500: #2289D2;
  --color-600: #236B9F;
  --color-700: #1F4E70;
  --color-800: #183448;
  --color-900: #11212C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F0F9FE',
    100: '#D8EEFD',
    200: '#B1DCFC',
    300: '#77C2F8',
    400: '#46A7EC',
    500: '#2289D2',
    600: '#236B9F',
    700: '#1F4E70',
    800: '#183448',
    900: '#11212C',
  },
}

$base: #001321;
$base-ink: #FFFFFF;
$base-50: #F0F9FE;
$base-100: #D8EEFD;
$base-200: #B1DCFC;
$base-300: #77C2F8;
$base-400: #46A7EC;
$base-500: #2289D2;
$base-600: #236B9F;
$base-700: #1F4E70;
$base-800: #183448;
$base-900: #11212C;
$base-hover: #000E18;
$base-subtle: #80C0EE;

{
    "color": {
        "base": {
            "value": "#001321",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F9FE",
                "type": "color"
            },
            "100": {
                "value": "#D8EEFD",
                "type": "color"
            },
            "200": {
                "value": "#B1DCFC",
                "type": "color"
            },
            "300": {
                "value": "#77C2F8",
                "type": "color"
            },
            "400": {
                "value": "#46A7EC",
                "type": "color"
            },
            "500": {
                "value": "#2289D2",
                "type": "color"
            },
            "600": {
                "value": "#236B9F",
                "type": "color"
            },
            "700": {
                "value": "#1F4E70",
                "type": "color"
            },
            "800": {
                "value": "#183448",
                "type": "color"
            },
            "900": {
                "value": "#11212C",
                "type": "color"
            }
        }
    }
}

Palettes built on #001321

Color Lab

Pairs with #001321

UI roles & guardrails

In real applications

Scales

Every model

Export