What color is #100C0F?

#100C0F is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(16, 12, 15), and in HSL hsl(315, 14%, 5%).

Is #100C0F accessible as text?

On white, #100C0F has a contrast ratio of 19.42:1 (passes WCAG AA for body text); on black it is 1.08:1 (fails). For text placed on #100C0F, use white for the best readability.

What is the closest Tailwind color to #100C0F?

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

What colors go well with #100C0F?

As a neutral, #100C0F 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 #100C0F the same as CSS black?

No — #100C0F is not the CSS named color black, but black (#000000) is the closest CSS named color.

#100C0F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100C0F

Not just a swatch — here's how #100C0F works with other colors. Named schemes with #100C0F in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #100C0F Surface #14161A Highlight #F4F6F8 Secondary #5D6573 Accent #2C282B

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 #100C0F Secondary #7D472D Surface #ECD8C1 Accent #464F38 Anchor #592233

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 #100C0F Surface #F1E8DC Highlight #F7F0E7 Secondary #BCADA0 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.

Berry & Cream Lead · 5 colors

Lead #100C0F Surface #F4E6D7 Anchor #5D203C Accent #E6C2C5 Secondary #332B2E

Jet Black sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #100C0F Secondary #2F2D2F Support #9C9087 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 #100C0F 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 51/100

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 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 20/100

Low

Clean and current — no dusty, aged cast.

Luxury 76/100

High

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

Brand distinctiveness 4/100

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 72/100

High

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

Print safety 99/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #100C0F

For UI

For branding

For interior

For fashion

People also use #100C0F with

Graphite Jet Black Gainsboro 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 19.4:1. Use

Subtle surface Use #D3CAD1 for cards and hover fills. Tint 80

Avoid beside #0F0B0C — 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 #100C0F 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: #100C0F;
  --color-base-rgb: 16 12 15;
  --color-base-oklch: oklch(16.1% 0.009 334.8);
  --color-50: #F9F6F8;
  --color-100: #EEE8EC;
  --color-200: #DCD1D9;
  --color-300: #C1AFBC;
  --color-400: #A58D9F;
  --color-500: #876E81;
  --color-600: #6A5865;
  --color-700: #4D424A;
  --color-800: #342D32;
  --color-900: #201D20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F9F6F8',
    100: '#EEE8EC',
    200: '#DCD1D9',
    300: '#C1AFBC',
    400: '#A58D9F',
    500: '#876E81',
    600: '#6A5865',
    700: '#4D424A',
    800: '#342D32',
    900: '#201D20',
  },
}

$base: #100C0F;
$base-ink: #FFFFFF;
$base-50: #F9F6F8;
$base-100: #EEE8EC;
$base-200: #DCD1D9;
$base-300: #C1AFBC;
$base-400: #A58D9F;
$base-500: #876E81;
$base-600: #6A5865;
$base-700: #4D424A;
$base-800: #342D32;
$base-900: #201D20;
$base-hover: #0C090B;
$base-subtle: #BEAFBA;

{
    "color": {
        "base": {
            "value": "#100C0F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F6F8",
                "type": "color"
            },
            "100": {
                "value": "#EEE8EC",
                "type": "color"
            },
            "200": {
                "value": "#DCD1D9",
                "type": "color"
            },
            "300": {
                "value": "#C1AFBC",
                "type": "color"
            },
            "400": {
                "value": "#A58D9F",
                "type": "color"
            },
            "500": {
                "value": "#876E81",
                "type": "color"
            },
            "600": {
                "value": "#6A5865",
                "type": "color"
            },
            "700": {
                "value": "#4D424A",
                "type": "color"
            },
            "800": {
                "value": "#342D32",
                "type": "color"
            },
            "900": {
                "value": "#201D20",
                "type": "color"
            }
        }
    }
}

Palettes built on #100C0F

Color Lab

Pairs with #100C0F

UI roles & guardrails

In real applications

Scales

Every model

Export