What color is #010A09?

#010A09 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(1, 10, 9), and in HSL hsl(173, 82%, 2%).

Is #010A09 accessible as text?

On white, #010A09 has a contrast ratio of 20.03:1 (passes WCAG AA for body text); on black it is 1.05:1 (fails). For text placed on #010A09, use white for the best readability.

What is the closest Tailwind color to #010A09?

The nearest Tailwind CSS token is zinc-950 (#09090B).

What colors go well with #010A09?

As a neutral, #010A09 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 #010A09 the same as CSS black?

No — #010A09 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#010A09 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #010A09

Not just a swatch — here's how #010A09 works with other colors. Named schemes with #010A09 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #010A09 Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #182524

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 #010A09 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #010A09 Surface #EDEADC Highlight #F5F2E7 Secondary #B5B19F Ink #2A2723

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.

Luxury Packaging Feature · 5 colors

Feature #010A09 Anchor #141210 Accent #B9A94D Secondary #1D2C2B Surface #F1EDE3

Jet Black carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #010A09 Secondary #232828 Support #979286 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 #010A09 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 46/100

Neutral

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

Softness 16/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

Very high

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 15/100

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 8/100

Very low

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

UI accent fit 4/100

Very low

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

Surface fit 70/100

High

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

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #010A09

For UI

For branding

For interior

For fashion

People also use #010A09 with

Sacramento Green Jet Black Platinum Dark Slate Gray

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 20.0:1. Use

Subtle surface Use #B0EBE4 for cards and hover fills. Tint 80

Avoid beside #010709 — 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 #010A09 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: #010A09;
  --color-base-rgb: 1 10 9;
  --color-base-oklch: oklch(13.2% 0.020 188.4);
  --color-50: #F0FEFD;
  --color-100: #D9FCF8;
  --color-200: #B5F8F0;
  --color-300: #83EDE0;
  --color-400: #55DDCD;
  --color-500: #32C3B2;
  --color-600: #2E9488;
  --color-700: #266961;
  --color-800: #1D4440;
  --color-900: #142A27;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F0FEFD',
    100: '#D9FCF8',
    200: '#B5F8F0',
    300: '#83EDE0',
    400: '#55DDCD',
    500: '#32C3B2',
    600: '#2E9488',
    700: '#266961',
    800: '#1D4440',
    900: '#142A27',
  },
}

$base: #010A09;
$base-ink: #FFFFFF;
$base-50: #F0FEFD;
$base-100: #D9FCF8;
$base-200: #B5F8F0;
$base-300: #83EDE0;
$base-400: #55DDCD;
$base-500: #32C3B2;
$base-600: #2E9488;
$base-700: #266961;
$base-800: #1D4440;
$base-900: #142A27;
$base-hover: #010707;
$base-subtle: #85E3D8;

{
    "color": {
        "base": {
            "value": "#010A09",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFD",
                "type": "color"
            },
            "100": {
                "value": "#D9FCF8",
                "type": "color"
            },
            "200": {
                "value": "#B5F8F0",
                "type": "color"
            },
            "300": {
                "value": "#83EDE0",
                "type": "color"
            },
            "400": {
                "value": "#55DDCD",
                "type": "color"
            },
            "500": {
                "value": "#32C3B2",
                "type": "color"
            },
            "600": {
                "value": "#2E9488",
                "type": "color"
            },
            "700": {
                "value": "#266961",
                "type": "color"
            },
            "800": {
                "value": "#1D4440",
                "type": "color"
            },
            "900": {
                "value": "#142A27",
                "type": "color"
            }
        }
    }
}

Palettes built on #010A09

Color Lab

Pairs with #010A09

UI roles & guardrails

In real applications

Scales

Every model

Export