What color is #09100A?

#09100A is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(9, 16, 10), and in HSL hsl(129, 28%, 5%).

Is #09100A accessible as text?

On white, #09100A has a contrast ratio of 19.26:1 (passes WCAG AA for body text); on black it is 1.09:1 (fails). For text placed on #09100A, use white for the best readability.

What is the closest Tailwind color to #09100A?

The nearest Tailwind CSS token is stone-950 (#0C0A09).

What colors go well with #09100A?

As a neutral, #09100A 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 #09100A the same as CSS black?

No — #09100A is not the CSS named color black, but black (#000000) is the closest CSS named color.

#09100A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #09100A

Not just a swatch — here's how #09100A works with other colors. Named schemes with #09100A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #09100A Secondary #4C6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Jet Black leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #09100A Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #252C26

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 #09100A Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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 #09100A Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #09100A Secondary #2D2F2D Support #989286 Ink #17140F

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 #09100A 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 49/100

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 30/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 77/100

High

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

Brand distinctiveness 6/100

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 69/100

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 #09100A

For UI

For branding

For interior

For fashion

People also use #09100A with

Sacramento Green Jet Black Platinum Hunter Green

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 #C5D8C8 for cards and hover fills. Tint 80

Avoid beside #09100D — 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 #09100A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #09100A;
  --color-base-rgb: 9 16 10;
  --color-base-oklch: oklch(16.3% 0.017 148.7);
  --color-50: #F5FAF6;
  --color-100: #E5F1E6;
  --color-200: #CBE2CE;
  --color-300: #A6CAAB;
  --color-400: #82B089;
  --color-500: #629369;
  --color-600: #4F7255;
  --color-700: #3C533F;
  --color-800: #2A372C;
  --color-900: #1B221C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F5FAF6',
    100: '#E5F1E6',
    200: '#CBE2CE',
    300: '#A6CAAB',
    400: '#82B089',
    500: '#629369',
    600: '#4F7255',
    700: '#3C533F',
    800: '#2A372C',
    900: '#1B221C',
  },
}

$base: #09100A;
$base-ink: #FFFFFF;
$base-50: #F5FAF6;
$base-100: #E5F1E6;
$base-200: #CBE2CE;
$base-300: #A6CAAB;
$base-400: #82B089;
$base-500: #629369;
$base-600: #4F7255;
$base-700: #3C533F;
$base-800: #2A372C;
$base-900: #1B221C;
$base-hover: #070D08;
$base-subtle: #A7C6AB;

{
    "color": {
        "base": {
            "value": "#09100A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAF6",
                "type": "color"
            },
            "100": {
                "value": "#E5F1E6",
                "type": "color"
            },
            "200": {
                "value": "#CBE2CE",
                "type": "color"
            },
            "300": {
                "value": "#A6CAAB",
                "type": "color"
            },
            "400": {
                "value": "#82B089",
                "type": "color"
            },
            "500": {
                "value": "#629369",
                "type": "color"
            },
            "600": {
                "value": "#4F7255",
                "type": "color"
            },
            "700": {
                "value": "#3C533F",
                "type": "color"
            },
            "800": {
                "value": "#2A372C",
                "type": "color"
            },
            "900": {
                "value": "#1B221C",
                "type": "color"
            }
        }
    }
}

Palettes built on #09100A

Color Lab

Pairs with #09100A

UI roles & guardrails

In real applications

Scales

Every model

Export