What color is #02100F?

#02100F is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(2, 16, 15), and in HSL hsl(176, 78%, 4%).

Is #02100F accessible as text?

On white, #02100F has a contrast ratio of 19.38:1 (passes WCAG AA for body text); on black it is 1.08:1 (fails). For text placed on #02100F, use white for the best readability.

What is the closest Tailwind color to #02100F?

The nearest Tailwind CSS token is neutral-950 (#0A0A0A).

What colors go well with #02100F?

As a neutral, #02100F 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 #02100F the same as CSS black?

No — #02100F is not the CSS named color black, but black (#000000) is the closest CSS named color.

#02100F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #02100F

Not just a swatch — here's how #02100F works with other colors. Named schemes with #02100F in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #02100F Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #02100F Surface #EDEADC Highlight #F5F2E7 Secondary #B5B19F Ink #2A2723

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 #02100F Anchor #141210 Accent #B9A94D Secondary #1D2C2B Surface #F1EDE3

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.

Moody Editorial Color · 5 colors

Color #02100F Anchor #292A2E Secondary #6D6E74 Surface #EAE7DA Accent #000001

Jet Black adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Jet Black.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #02100F Secondary #292F2E Support #979286 Ink #16140F

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 #02100F 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 45/100

Neutral

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

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 79/100

High

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

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 78/100

High

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

Brand distinctiveness 9/100

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 68/100

High

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

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #02100F

For UI

For branding

For interior

For fashion

People also use #02100F with

Sacramento Green Jet Black Platinum Dark Slate Gray

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 #B3EAE6 for cards and hover fills. Tint 80

Avoid beside #020E12 — 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 #02100F 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: #02100F;
  --color-base-rgb: 2 16 15;
  --color-base-oklch: oklch(15.8% 0.023 189.8);
  --color-50: #F1FEFD;
  --color-100: #DAFBF9;
  --color-200: #B6F6F2;
  --color-300: #85EAE3;
  --color-400: #58DAD1;
  --color-500: #36BFB6;
  --color-600: #30918B;
  --color-700: #286763;
  --color-800: #1E4341;
  --color-900: #142928;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1FEFD',
    100: '#DAFBF9',
    200: '#B6F6F2',
    300: '#85EAE3',
    400: '#58DAD1',
    500: '#36BFB6',
    600: '#30918B',
    700: '#286763',
    800: '#1E4341',
    900: '#142928',
  },
}

$base: #02100F;
$base-ink: #FFFFFF;
$base-50: #F1FEFD;
$base-100: #DAFBF9;
$base-200: #B6F6F2;
$base-300: #85EAE3;
$base-400: #58DAD1;
$base-500: #36BFB6;
$base-600: #30918B;
$base-700: #286763;
$base-800: #1E4341;
$base-900: #142928;
$base-hover: #020F0E;
$base-subtle: #8AE1DB;

{
    "color": {
        "base": {
            "value": "#02100F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEFD",
                "type": "color"
            },
            "100": {
                "value": "#DAFBF9",
                "type": "color"
            },
            "200": {
                "value": "#B6F6F2",
                "type": "color"
            },
            "300": {
                "value": "#85EAE3",
                "type": "color"
            },
            "400": {
                "value": "#58DAD1",
                "type": "color"
            },
            "500": {
                "value": "#36BFB6",
                "type": "color"
            },
            "600": {
                "value": "#30918B",
                "type": "color"
            },
            "700": {
                "value": "#286763",
                "type": "color"
            },
            "800": {
                "value": "#1E4341",
                "type": "color"
            },
            "900": {
                "value": "#142928",
                "type": "color"
            }
        }
    }
}

Palettes built on #02100F

Color Lab

Pairs with #02100F

UI roles & guardrails

In real applications

Scales

Every model

Export