What color is #100217?

#100217 is a very dark, vivid purple. In RGB it is rgb(16, 2, 23), and in HSL hsl(280, 84%, 5%).

Is #100217 accessible as text?

On white, #100217 has a contrast ratio of 20.13:1 (passes WCAG AA for body text); on black it is 1.04:1 (fails). For text placed on #100217, use white for the best readability.

What is the closest Tailwind color to #100217?

The nearest Tailwind CSS token is mauve-950 (#0C090C).

What colors go well with #100217?

#100217 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #091702. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #100217 below.

Is #100217 good for buttons?

#100217 works well for buttons and highlights, but use white text on #100217 — black text only reaches 1.04:1, below the 4.5:1 needed for normal-size labels.

Is #100217 the same as CSS black?

No — #100217 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#100217 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #100217

Not just a swatch — here's how #100217 works with other colors. Named schemes with #100217 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #100217 Secondary #7E4630 Surface #ECD8C1 Accent #355249 Anchor #592235

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 #100217 Surface #F1E8DC Highlight #F7F0E7 Secondary #BDADA1 Ink #2C2723

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 #100217 Anchor #141210 Accent #D89954 Secondary #2D2630 Surface #F3EDE3

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 #100217 Secondary #2B252E 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.

Berry & Cream Lead · 5 colors

Lead #100217 Surface #F5E6D7 Anchor #5D203F Accent #E5C2C6 Secondary #332B2F

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

Build a working theme in the generator →

Color Lab

How #100217 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 48/100

Neutral

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

Softness 15/100

Very low

Firm and assertive — carries weight and contrast.

Depth 83/100

Very 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 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 83/100

Very high

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

Brand distinctiveness 21/100

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 60/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #100217

For UI

For branding

For interior

For fashion

People also use #100217 with

Navy Jet Black Gainsboro Eggplant

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 20.1:1. Use

Subtle surface Use #D8B1EC for cards and hover fills. Tint 80

Avoid beside #170217 — 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 #100217 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: #100217;
  --color-base-rgb: 16 2 23;
  --color-base-oklch: oklch(13.6% 0.054 314.5);
  --color-50: #FAF0FE;
  --color-100: #F1D8FD;
  --color-200: #E2B4F8;
  --color-300: #CA81EE;
  --color-400: #B053DF;
  --color-500: #9330C4;
  --color-600: #722D95;
  --color-700: #532569;
  --color-800: #371C45;
  --color-900: #22132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FAF0FE',
    100: '#F1D8FD',
    200: '#E2B4F8',
    300: '#CA81EE',
    400: '#B053DF',
    500: '#9330C4',
    600: '#722D95',
    700: '#532569',
    800: '#371C45',
    900: '#22132A',
  },
}

$base: #100217;
$base-ink: #FFFFFF;
$base-50: #FAF0FE;
$base-100: #F1D8FD;
$base-200: #E2B4F8;
$base-300: #CA81EE;
$base-400: #B053DF;
$base-500: #9330C4;
$base-600: #722D95;
$base-700: #532569;
$base-800: #371C45;
$base-900: #22132A;
$base-hover: #0D0213;
$base-subtle: #C688E5;

{
    "color": {
        "base": {
            "value": "#100217",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAF0FE",
                "type": "color"
            },
            "100": {
                "value": "#F1D8FD",
                "type": "color"
            },
            "200": {
                "value": "#E2B4F8",
                "type": "color"
            },
            "300": {
                "value": "#CA81EE",
                "type": "color"
            },
            "400": {
                "value": "#B053DF",
                "type": "color"
            },
            "500": {
                "value": "#9330C4",
                "type": "color"
            },
            "600": {
                "value": "#722D95",
                "type": "color"
            },
            "700": {
                "value": "#532569",
                "type": "color"
            },
            "800": {
                "value": "#371C45",
                "type": "color"
            },
            "900": {
                "value": "#22132A",
                "type": "color"
            }
        }
    }
}

Palettes built on #100217

Color Lab

Pairs with #100217

UI roles & guardrails

In real applications

Scales

Every model

Export