What color is #100B05?

#100B05 is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(16, 11, 5), and in HSL hsl(33, 52%, 4%).

Is #100B05 accessible as text?

On white, #100B05 has a contrast ratio of 19.59:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #100B05, use white for the best readability.

What is the closest Tailwind color to #100B05?

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

What colors go well with #100B05?

As a neutral, #100B05 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 #100B05 the same as CSS black?

No — #100B05 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#100B05 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100B05

Not just a swatch — here's how #100B05 works with other colors. Named schemes with #100B05 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #100B05 Surface #15161A Highlight #F4F6F8 Secondary #56686F Accent #2C261F

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 #100B05 Secondary #794B22 Surface #E8DAC0 Accent #40503C Anchor #5B2229

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 #100B05 Surface #EFE9DC Highlight #F6F1E7 Secondary #B9AF9F 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.

Luxury Packaging Feature · 5 colors

Feature #100B05 Anchor #141210 Accent #CAA14B Secondary #2F281E Surface #F2EDE3

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 #F7F4EF Accent #100B05 Secondary #2E2C29 Support #9A9186 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.

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Color Lab

How #100B05 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 54/100

Neutral

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

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 79/100

High

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

Naturalness 32/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 24/100

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 70/100

High

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

Print safety 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #100B05

For UI

For branding

For interior

For fashion

People also use #100B05 with

Graphite Jet Black Greige Taupe

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 19.6:1. Use

Subtle surface Use #E0D0BC for cards and hover fills. Tint 80

Avoid beside #100E05 — 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 #100B05 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: #100B05;
  --color-base-rgb: 16 11 5;
  --color-base-oklch: oklch(15.4% 0.016 75.5);
  --color-50: #FCF8F3;
  --color-100: #F6ECDF;
  --color-200: #EBD8C1;
  --color-300: #D9BB96;
  --color-400: #C49D6E;
  --color-500: #A87F4D;
  --color-600: #816441;
  --color-700: #5C4932;
  --color-800: #3D3224;
  --color-900: #261F18;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FCF8F3',
    100: '#F6ECDF',
    200: '#EBD8C1',
    300: '#D9BB96',
    400: '#C49D6E',
    500: '#A87F4D',
    600: '#816441',
    700: '#5C4932',
    800: '#3D3224',
    900: '#261F18',
  },
}

$base: #100B05;
$base-ink: #FFFFFF;
$base-50: #FCF8F3;
$base-100: #F6ECDF;
$base-200: #EBD8C1;
$base-300: #D9BB96;
$base-400: #C49D6E;
$base-500: #A87F4D;
$base-600: #816441;
$base-700: #5C4932;
$base-800: #3D3224;
$base-900: #261F18;
$base-hover: #0C0904;
$base-subtle: #D3B899;

{
    "color": {
        "base": {
            "value": "#100B05",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF8F3",
                "type": "color"
            },
            "100": {
                "value": "#F6ECDF",
                "type": "color"
            },
            "200": {
                "value": "#EBD8C1",
                "type": "color"
            },
            "300": {
                "value": "#D9BB96",
                "type": "color"
            },
            "400": {
                "value": "#C49D6E",
                "type": "color"
            },
            "500": {
                "value": "#A87F4D",
                "type": "color"
            },
            "600": {
                "value": "#816441",
                "type": "color"
            },
            "700": {
                "value": "#5C4932",
                "type": "color"
            },
            "800": {
                "value": "#3D3224",
                "type": "color"
            },
            "900": {
                "value": "#261F18",
                "type": "color"
            }
        }
    }
}

Palettes built on #100B05

Color Lab

Pairs with #100B05

UI roles & guardrails

In real applications

Scales

Every model

Export