What color is #031111?

#031111 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(3, 17, 17), and in HSL hsl(180, 70%, 4%).

Is #031111 accessible as text?

On white, #031111 has a contrast ratio of 19.23:1 (passes WCAG AA for body text); on black it is 1.09:1 (fails). For text placed on #031111, use white for the best readability.

What is the closest Tailwind color to #031111?

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

What colors go well with #031111?

As a neutral, #031111 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 #031111 the same as CSS black?

No — #031111 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#031111 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #031111

Not just a swatch — here's how #031111 works with other colors. Named schemes with #031111 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #031111 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #1E2D2D

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 #031111 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552340

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 #031111 Surface #EDEADC Highlight #F5F2E7 Secondary #B4B19F 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 #031111 Anchor #141210 Accent #B8AA4D Secondary #1D2C2C 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #031111 Secondary #2B3030 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 #031111 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 19/100

Very low

Firm and assertive — carries weight and contrast.

Depth 78/100

High

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

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 77/100

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 68/100

High

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

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #031111

For UI

For branding

For interior

For fashion

People also use #031111 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 19.2:1. Use

Subtle surface Use #B5E7E7 for cards and hover fills. Tint 80

Avoid beside #030D11 — 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 #031111 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: #031111;
  --color-base-rgb: 3 17 17;
  --color-base-oklch: oklch(16.4% 0.022 195.2);
  --color-50: #F1FDFD;
  --color-100: #DBFAFA;
  --color-200: #BAF3F3;
  --color-300: #8AE5E5;
  --color-400: #5FD3D3;
  --color-500: #3DB8B8;
  --color-600: #358C8C;
  --color-700: #2B6464;
  --color-800: #204141;
  --color-900: #152828;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1FDFD',
    100: '#DBFAFA',
    200: '#BAF3F3',
    300: '#8AE5E5',
    400: '#5FD3D3',
    500: '#3DB8B8',
    600: '#358C8C',
    700: '#2B6464',
    800: '#204141',
    900: '#152828',
  },
}

$base: #031111;
$base-ink: #FFFFFF;
$base-50: #F1FDFD;
$base-100: #DBFAFA;
$base-200: #BAF3F3;
$base-300: #8AE5E5;
$base-400: #5FD3D3;
$base-500: #3DB8B8;
$base-600: #358C8C;
$base-700: #2B6464;
$base-800: #204141;
$base-900: #152828;
$base-hover: #020E0E;
$base-subtle: #8EDDDD;

{
    "color": {
        "base": {
            "value": "#031111",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDFD",
                "type": "color"
            },
            "100": {
                "value": "#DBFAFA",
                "type": "color"
            },
            "200": {
                "value": "#BAF3F3",
                "type": "color"
            },
            "300": {
                "value": "#8AE5E5",
                "type": "color"
            },
            "400": {
                "value": "#5FD3D3",
                "type": "color"
            },
            "500": {
                "value": "#3DB8B8",
                "type": "color"
            },
            "600": {
                "value": "#358C8C",
                "type": "color"
            },
            "700": {
                "value": "#2B6464",
                "type": "color"
            },
            "800": {
                "value": "#204141",
                "type": "color"
            },
            "900": {
                "value": "#152828",
                "type": "color"
            }
        }
    }
}

Palettes built on #031111

Color Lab

Pairs with #031111

UI roles & guardrails

In real applications

Scales

Every model

Export