What color is #050D21?

#050D21 is a very dark, vivid blue. In RGB it is rgb(5, 13, 33), and in HSL hsl(223, 74%, 7%).

Is #050D21 accessible as text?

On white, #050D21 has a contrast ratio of 19.34:1 (passes WCAG AA for body text); on black it is 1.09:1 (fails). For text placed on #050D21, use white for the best readability.

What is the closest Tailwind color to #050D21?

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

What colors go well with #050D21?

#050D21 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1F1805. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #050D21 below.

Is #050D21 good for buttons?

#050D21 works well for buttons and highlights, but use white text on #050D21 — black text only reaches 1.09:1, below the 4.5:1 needed for normal-size labels.

Is #050D21 the same as CSS midnightblue?

No — #050D21 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.

#050D21 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #050D21

Not just a swatch — here's how #050D21 works with other colors. Named schemes with #050D21 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #050D21 Accent #A5C4C2 Surface #DDDBBF 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.

Nordic Calm Accent · 5 colors

Accent #050D21 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A7 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 #050D21 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #202A3E

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 #050D21 Secondary #7F4536 Surface #EED7C2 Accent #375246 Anchor #57223A

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 #F8F4EF Accent #050D21 Secondary #2B2F37 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.

Build a working theme in the generator →

Color Lab

How #050D21 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 39/100

Neutral

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

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 80/100

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

Low

Clean and current — no dusty, aged cast.

Luxury 79/100

High

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

Brand distinctiveness 17/100

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 61/100

High

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

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #050D21

For UI

For branding

For interior

For fashion

People also use #050D21 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 19.3:1. Use

Subtle surface Use #B6C5E9 for cards and hover fills. Tint 80

Avoid beside #06051F — 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 #050D21 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: #050D21;
  --color-base-rgb: 5 13 33;
  --color-base-oklch: oklch(16.4% 0.044 263.9);
  --color-50: #F1F5FE;
  --color-100: #DBE4FB;
  --color-200: #B8C9F4;
  --color-300: #88A3E7;
  --color-400: #5C7ED6;
  --color-500: #395EBC;
  --color-600: #334D8F;
  --color-700: #2A3A65;
  --color-800: #1F2942;
  --color-900: #151A29;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1F5FE',
    100: '#DBE4FB',
    200: '#B8C9F4',
    300: '#88A3E7',
    400: '#5C7ED6',
    500: '#395EBC',
    600: '#334D8F',
    700: '#2A3A65',
    800: '#1F2942',
    900: '#151A29',
  },
}

$base: #050D21;
$base-ink: #FFFFFF;
$base-50: #F1F5FE;
$base-100: #DBE4FB;
$base-200: #B8C9F4;
$base-300: #88A3E7;
$base-400: #5C7ED6;
$base-500: #395EBC;
$base-600: #334D8F;
$base-700: #2A3A65;
$base-800: #1F2942;
$base-900: #151A29;
$base-hover: #040A19;
$base-subtle: #90A7E0;

{
    "color": {
        "base": {
            "value": "#050D21",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F5FE",
                "type": "color"
            },
            "100": {
                "value": "#DBE4FB",
                "type": "color"
            },
            "200": {
                "value": "#B8C9F4",
                "type": "color"
            },
            "300": {
                "value": "#88A3E7",
                "type": "color"
            },
            "400": {
                "value": "#5C7ED6",
                "type": "color"
            },
            "500": {
                "value": "#395EBC",
                "type": "color"
            },
            "600": {
                "value": "#334D8F",
                "type": "color"
            },
            "700": {
                "value": "#2A3A65",
                "type": "color"
            },
            "800": {
                "value": "#1F2942",
                "type": "color"
            },
            "900": {
                "value": "#151A29",
                "type": "color"
            }
        }
    }
}

Palettes built on #050D21

Color Lab

Pairs with #050D21

UI roles & guardrails

In real applications

Scales

Every model

Export