What color is #010C18?

#010C18 is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(1, 12, 24), and in HSL hsl(211, 92%, 5%).

Is #010C18 accessible as text?

On white, #010C18 has a contrast ratio of 19.68:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #010C18, use white for the best readability.

What is the closest Tailwind color to #010C18?

The nearest Tailwind CSS token is gray-950 (#030712).

What colors go well with #010C18?

As a neutral, #010C18 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 #010C18 the same as CSS black?

No — #010C18 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#010C18 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #010C18

Not just a swatch — here's how #010C18 works with other colors. Named schemes with #010C18 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #010C18 Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 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 #010C18 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 #010C18 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #192834

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 #010C18 Secondary #7F4438 Surface #E1DDC0 Accent #375245 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 #010C18 Secondary #262C31 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.

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Color Lab

How #010C18 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 40/100

Neutral

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

Softness 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 80/100

Very 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 79/100

High

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

Brand distinctiveness 13/100

Very low

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

UI accent fit 5/100

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 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #010C18

For UI

For branding

For interior

For fashion

People also use #010C18 with

Bottle 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 19.7:1. Use

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

Avoid beside #010518 — 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 #010C18 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: #010C18;
  --color-base-rgb: 1 12 24;
  --color-base-oklch: oklch(14.9% 0.034 245.1);
  --color-50: #F0F7FE;
  --color-100: #D8EAFD;
  --color-200: #B1D5FC;
  --color-300: #7CB6F3;
  --color-400: #4D96E5;
  --color-500: #2978CB;
  --color-600: #285F9A;
  --color-700: #22466D;
  --color-800: #1A3047;
  --color-900: #121E2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F0F7FE',
    100: '#D8EAFD',
    200: '#B1D5FC',
    300: '#7CB6F3',
    400: '#4D96E5',
    500: '#2978CB',
    600: '#285F9A',
    700: '#22466D',
    800: '#1A3047',
    900: '#121E2B',
  },
}

$base: #010C18;
$base-ink: #FFFFFF;
$base-50: #F0F7FE;
$base-100: #D8EAFD;
$base-200: #B1D5FC;
$base-300: #7CB6F3;
$base-400: #4D96E5;
$base-500: #2978CB;
$base-600: #285F9A;
$base-700: #22466D;
$base-800: #1A3047;
$base-900: #121E2B;
$base-hover: #010A14;
$base-subtle: #84B5E9;

{
    "color": {
        "base": {
            "value": "#010C18",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F7FE",
                "type": "color"
            },
            "100": {
                "value": "#D8EAFD",
                "type": "color"
            },
            "200": {
                "value": "#B1D5FC",
                "type": "color"
            },
            "300": {
                "value": "#7CB6F3",
                "type": "color"
            },
            "400": {
                "value": "#4D96E5",
                "type": "color"
            },
            "500": {
                "value": "#2978CB",
                "type": "color"
            },
            "600": {
                "value": "#285F9A",
                "type": "color"
            },
            "700": {
                "value": "#22466D",
                "type": "color"
            },
            "800": {
                "value": "#1A3047",
                "type": "color"
            },
            "900": {
                "value": "#121E2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #010C18

Color Lab

Pairs with #010C18

UI roles & guardrails

In real applications

Scales

Every model

Export