What color is #0D121C?

#0D121C is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(13, 18, 28), and in HSL hsl(220, 37%, 8%).

Is #0D121C accessible as text?

On white, #0D121C has a contrast ratio of 18.74:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #0D121C, use white for the best readability.

What is the closest Tailwind color to #0D121C?

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

What colors go well with #0D121C?

As a neutral, #0D121C 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 #0D121C the same as CSS midnightblue?

No — #0D121C 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.

#0D121C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0D121C

Not just a swatch — here's how #0D121C works with other colors. Named schemes with #0D121C in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #0D121C Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #292E39

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 #0D121C 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.

Japanese Sand Base · 5 colors

Base #0D121C Surface #EBEADD Highlight #F4F2E7 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 #0D121C Accent #A5C4C1 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #0D121C Secondary #313337 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 #0D121C 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 45/100

Neutral

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

Softness 21/100

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 9/100

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 66/100

High

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

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0D121C

For UI

For branding

For interior

For fashion

People also use #0D121C 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 #C4CCDD for cards and hover fills. Tint 80

Avoid beside #0D0D1C — 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 #0D121C 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: #0D121C;
  --color-base-rgb: 13 18 28;
  --color-base-oklch: oklch(18.2% 0.022 263.8);
  --color-50: #F4F6FA;
  --color-100: #E3E8F3;
  --color-200: #C7D1E5;
  --color-300: #A0B0CF;
  --color-400: #7A8FB8;
  --color-500: #5A709B;
  --color-600: #4A5978;
  --color-700: #384256;
  --color-800: #282D39;
  --color-900: #1A1D24;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F4F6FA',
    100: '#E3E8F3',
    200: '#C7D1E5',
    300: '#A0B0CF',
    400: '#7A8FB8',
    500: '#5A709B',
    600: '#4A5978',
    700: '#384256',
    800: '#282D39',
    900: '#1A1D24',
  },
}

$base: #0D121C;
$base-ink: #FFFFFF;
$base-50: #F4F6FA;
$base-100: #E3E8F3;
$base-200: #C7D1E5;
$base-300: #A0B0CF;
$base-400: #7A8FB8;
$base-500: #5A709B;
$base-600: #4A5978;
$base-700: #384256;
$base-800: #282D39;
$base-900: #1A1D24;
$base-hover: #0A0E16;
$base-subtle: #A5B2CC;

{
    "color": {
        "base": {
            "value": "#0D121C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E8F3",
                "type": "color"
            },
            "200": {
                "value": "#C7D1E5",
                "type": "color"
            },
            "300": {
                "value": "#A0B0CF",
                "type": "color"
            },
            "400": {
                "value": "#7A8FB8",
                "type": "color"
            },
            "500": {
                "value": "#5A709B",
                "type": "color"
            },
            "600": {
                "value": "#4A5978",
                "type": "color"
            },
            "700": {
                "value": "#384256",
                "type": "color"
            },
            "800": {
                "value": "#282D39",
                "type": "color"
            },
            "900": {
                "value": "#1A1D24",
                "type": "color"
            }
        }
    }
}

Palettes built on #0D121C

Color Lab

Pairs with #0D121C

UI roles & guardrails

In real applications

Scales

Every model

Export