What color is #100F19?

#100F19 is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(16, 15, 25), and in HSL hsl(246, 25%, 8%).

Is #100F19 accessible as text?

On white, #100F19 has a contrast ratio of 19.01:1 (passes WCAG AA for body text); on black it is 1.10:1 (fails). For text placed on #100F19, use white for the best readability.

What is the closest Tailwind color to #100F19?

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

What colors go well with #100F19?

As a neutral, #100F19 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 #100F19 the same as CSS midnightblue?

No — #100F19 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#100F19 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100F19

Not just a swatch — here's how #100F19 works with other colors. Named schemes with #100F19 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #100F19 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #2C2B35

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 #100F19 Secondary #7E4633 Surface #EDD8C2 Accent #355247 Anchor #582238

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 #100F19 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

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 #100F19 Anchor #141210 Accent #DB9757 Secondary #282732 Surface #F3ECE3

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 #F8F4EF Accent #100F19 Secondary #313135 Support #9D9088 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 #100F19 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 47/100

Neutral

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

Softness 20/100

Very low

Firm and assertive — carries weight and contrast.

Depth 77/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 19/100

Very low

Clean and current — no dusty, aged cast.

Luxury 76/100

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 6/100

Very low

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

Surface fit 67/100

High

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

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #100F19

For UI

For branding

For interior

For fashion

People also use #100F19 with

Gunmetal Gray Jet Black Graphite Gainsboro

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 19.0:1. Use

Subtle surface Use #C9C8D9 for cards and hover fills. Tint 80

Avoid beside #140F1A — 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 #100F19 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: #100F19;
  --color-base-rgb: 16 15 25;
  --color-base-oklch: oklch(17.5% 0.021 288.7);
  --color-50: #F6F5F9;
  --color-100: #E6E5F0;
  --color-200: #CECCE0;
  --color-300: #ABA7C8;
  --color-400: #8884AE;
  --color-500: #696490;
  --color-600: #545170;
  --color-700: #3F3D51;
  --color-800: #2C2A36;
  --color-900: #1C1B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F6F5F9',
    100: '#E6E5F0',
    200: '#CECCE0',
    300: '#ABA7C8',
    400: '#8884AE',
    500: '#696490',
    600: '#545170',
    700: '#3F3D51',
    800: '#2C2A36',
    900: '#1C1B22',
  },
}

$base: #100F19;
$base-ink: #FFFFFF;
$base-50: #F6F5F9;
$base-100: #E6E5F0;
$base-200: #CECCE0;
$base-300: #ABA7C8;
$base-400: #8884AE;
$base-500: #696490;
$base-600: #545170;
$base-700: #3F3D51;
$base-800: #2C2A36;
$base-900: #1C1B22;
$base-hover: #0D0C14;
$base-subtle: #AEABC6;

{
    "color": {
        "base": {
            "value": "#100F19",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F5F9",
                "type": "color"
            },
            "100": {
                "value": "#E6E5F0",
                "type": "color"
            },
            "200": {
                "value": "#CECCE0",
                "type": "color"
            },
            "300": {
                "value": "#ABA7C8",
                "type": "color"
            },
            "400": {
                "value": "#8884AE",
                "type": "color"
            },
            "500": {
                "value": "#696490",
                "type": "color"
            },
            "600": {
                "value": "#545170",
                "type": "color"
            },
            "700": {
                "value": "#3F3D51",
                "type": "color"
            },
            "800": {
                "value": "#2C2A36",
                "type": "color"
            },
            "900": {
                "value": "#1C1B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #100F19

Color Lab

Pairs with #100F19

UI roles & guardrails

In real applications

Scales

Every model

Export