What color is #100900?

#100900 is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(16, 9, 0), and in HSL hsl(34, 100%, 3%).

Is #100900 accessible as text?

On white, #100900 has a contrast ratio of 19.79:1 (passes WCAG AA for body text); on black it is 1.06:1 (fails). For text placed on #100900, use white for the best readability.

What is the closest Tailwind color to #100900?

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

What colors go well with #100900?

As a neutral, #100900 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 #100900 the same as CSS black?

No — #100900 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#100900 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100900

Not just a swatch — here's how #100900 works with other colors. Named schemes with #100900 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #100900 Secondary #B36714 Accent #707947 Surface #F3ECDD Anchor #3B2A1F

This palette keeps Jet Black as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Vintage Leather Lead · 5 colors

Lead #100900 Secondary #794B21 Surface #E8DAC0 Accent #40503D Anchor #5B2228

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.

Desert Clay Center · 5 colors

Center #100900 Surface #E0CFA8 Secondary #AE7B52 Accent #929970 Anchor #3E2C1F

Jet Black holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #100900 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #100900 Secondary #2D2A24 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 #100900 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 57/100

Neutral

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

Softness 17/100

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 46/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 79/100

High

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

Brand distinctiveness 12/100

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 66/100

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 #100900

For UI

For branding

For interior

For fashion

People also use #100900 with

Oxblood 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 19.8:1. Use

Subtle surface Use #F1D2AA for cards and hover fills. Tint 80

Avoid beside #0F0E00 — 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 #100900 at work across the surfaces designers actually ship.

Website / UI

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Brand

AVELINE

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Poster

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Export

:root {
  --color-base: #100900;
  --color-base-rgb: 16 9 0;
  --color-base-oklch: oklch(14.6% 0.030 84.6);
  --color-50: #FEF8F0;
  --color-100: #FDEDD8;
  --color-200: #FCDBB1;
  --color-300: #F8C077;
  --color-400: #ECA446;
  --color-500: #D28622;
  --color-600: #9F6923;
  --color-700: #704D1F;
  --color-800: #483418;
  --color-900: #2C2011;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF8F0',
    100: '#FDEDD8',
    200: '#FCDBB1',
    300: '#F8C077',
    400: '#ECA446',
    500: '#D28622',
    600: '#9F6923',
    700: '#704D1F',
    800: '#483418',
    900: '#2C2011',
  },
}

$base: #100900;
$base-ink: #FFFFFF;
$base-50: #FEF8F0;
$base-100: #FDEDD8;
$base-200: #FCDBB1;
$base-300: #F8C077;
$base-400: #ECA446;
$base-500: #D28622;
$base-600: #9F6923;
$base-700: #704D1F;
$base-800: #483418;
$base-900: #2C2011;
$base-hover: #0C0700;
$base-subtle: #EDBC7C;

{
    "color": {
        "base": {
            "value": "#100900",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF8F0",
                "type": "color"
            },
            "100": {
                "value": "#FDEDD8",
                "type": "color"
            },
            "200": {
                "value": "#FCDBB1",
                "type": "color"
            },
            "300": {
                "value": "#F8C077",
                "type": "color"
            },
            "400": {
                "value": "#ECA446",
                "type": "color"
            },
            "500": {
                "value": "#D28622",
                "type": "color"
            },
            "600": {
                "value": "#9F6923",
                "type": "color"
            },
            "700": {
                "value": "#704D1F",
                "type": "color"
            },
            "800": {
                "value": "#483418",
                "type": "color"
            },
            "900": {
                "value": "#2C2011",
                "type": "color"
            }
        }
    }
}

Palettes built on #100900

Color Lab

Pairs with #100900

UI roles & guardrails

In real applications

Scales

Every model

Export