What color is #210108?

#210108 is a very dark, vivid rose. In RGB it is rgb(33, 1, 8), and in HSL hsl(347, 94%, 7%).

Is #210108 accessible as text?

On white, #210108 has a contrast ratio of 19.58:1 (passes WCAG AA for body text); on black it is 1.07:1 (fails). For text placed on #210108, use white for the best readability.

What is the closest Tailwind color to #210108?

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

What colors go well with #210108?

#210108 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #01231B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #210108 below.

Is #210108 good for buttons?

#210108 works well for buttons and highlights, but use white text on #210108 — black text only reaches 1.07:1, below the 4.5:1 needed for normal-size labels.

Is #210108 the same as CSS black?

No — #210108 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#210108 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #210108

Not just a swatch — here's how #210108 works with other colors. Named schemes with #210108 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #210108 Secondary #7C4829 Surface #EBD9C1 Accent #444F39 Anchor #5A2230

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #210108 Secondary #B8622A Accent #7A7642 Surface #F5EBDD Anchor #3C2A21

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.

Japanese Sand Base · 5 colors

Base #210108 Surface #F0E8DC Highlight #F7F1E7 Secondary #BBAEA0 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 #210108 Anchor #141210 Accent #D29D4F Secondary #322527 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 #F7F4EF Accent #210108 Secondary #382A2C Support #9B9087 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.

Build a working theme in the generator →

Color Lab

How #210108 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 64/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

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 36/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 81/100

Very high

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

Brand distinctiveness 23/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 7/100

Very low

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

Surface fit 56/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #210108

For UI

For branding

For interior

For fashion

People also use #210108 with

Deep Purple Graphite 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 19.6:1. Use

Subtle surface Use #F0AFBD for cards and hover fills. Tint 80

Avoid beside #230501 — 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 #210108 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: #210108;
  --color-base-rgb: 33 1 8;
  --color-base-oklch: oklch(16.1% 0.060 9.3);
  --color-50: #FEF0F3;
  --color-100: #FDD8E0;
  --color-200: #FCB1C1;
  --color-300: #F47B95;
  --color-400: #E74B6D;
  --color-500: #CD284C;
  --color-600: #9B2640;
  --color-700: #6D2132;
  --color-800: #471A24;
  --color-900: #2B1217;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF0F3',
    100: '#FDD8E0',
    200: '#FCB1C1',
    300: '#F47B95',
    400: '#E74B6D',
    500: '#CD284C',
    600: '#9B2640',
    700: '#6D2132',
    800: '#471A24',
    900: '#2B1217',
  },
}

$base: #210108;
$base-ink: #FFFFFF;
$base-50: #FEF0F3;
$base-100: #FDD8E0;
$base-200: #FCB1C1;
$base-300: #F47B95;
$base-400: #E74B6D;
$base-500: #CD284C;
$base-600: #9B2640;
$base-700: #6D2132;
$base-800: #471A24;
$base-900: #2B1217;
$base-hover: #1C0107;
$base-subtle: #EB859B;

{
    "color": {
        "base": {
            "value": "#210108",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F3",
                "type": "color"
            },
            "100": {
                "value": "#FDD8E0",
                "type": "color"
            },
            "200": {
                "value": "#FCB1C1",
                "type": "color"
            },
            "300": {
                "value": "#F47B95",
                "type": "color"
            },
            "400": {
                "value": "#E74B6D",
                "type": "color"
            },
            "500": {
                "value": "#CD284C",
                "type": "color"
            },
            "600": {
                "value": "#9B2640",
                "type": "color"
            },
            "700": {
                "value": "#6D2132",
                "type": "color"
            },
            "800": {
                "value": "#471A24",
                "type": "color"
            },
            "900": {
                "value": "#2B1217",
                "type": "color"
            }
        }
    }
}

Palettes built on #210108

Color Lab

Pairs with #210108

UI roles & guardrails

In real applications

Scales

Every model

Export