What color is #031511?

#031511 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(3, 21, 17), and in HSL hsl(167, 75%, 5%).

Is #031511 accessible as text?

On white, #031511 has a contrast ratio of 18.76:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #031511, use white for the best readability.

What is the closest Tailwind color to #031511?

The nearest Tailwind CSS token is neutral-900 (#171717).

What colors go well with #031511?

As a neutral, #031511 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 #031511 the same as CSS black?

No — #031511 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#031511 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #031511

Not just a swatch — here's how #031511 works with other colors. Named schemes with #031511 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #031511 Secondary #734F19 Surface #E4DCC0 Accent #3B5141 Anchor #5B231E

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 #031511 Surface #EDEADC Highlight #F5F1E7 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 #031511 Anchor #141210 Accent #BBA84C Secondary #1E2C29 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 #031511 Anchor #292A2E Secondary #6D6F74 Surface #EBE7DA Accent #000101

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 #F7F4EF Accent #031511 Secondary #2D3432 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 #031511 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 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 16/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 20/100

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 11/100

Very 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 65/100

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 #031511

For UI

For branding

For interior

For fashion

People also use #031511 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 18.8:1. Use

Subtle surface Use #B4E9DD for cards and hover fills. Tint 80

Avoid beside #031416 — 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 #031511 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: #031511;
  --color-base-rgb: 3 21 17;
  --color-base-oklch: oklch(17.8% 0.027 177.7);
  --color-50: #F1FEFB;
  --color-100: #DAFBF4;
  --color-200: #B8F5E7;
  --color-300: #87E8D3;
  --color-400: #5BD7BC;
  --color-500: #38BCA0;
  --color-600: #32907B;
  --color-700: #296659;
  --color-800: #1E423B;
  --color-900: #142924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1FEFB',
    100: '#DAFBF4',
    200: '#B8F5E7',
    300: '#87E8D3',
    400: '#5BD7BC',
    500: '#38BCA0',
    600: '#32907B',
    700: '#296659',
    800: '#1E423B',
    900: '#142924',
  },
}

$base: #031511;
$base-ink: #FFFFFF;
$base-50: #F1FEFB;
$base-100: #DAFBF4;
$base-200: #B8F5E7;
$base-300: #87E8D3;
$base-400: #5BD7BC;
$base-500: #38BCA0;
$base-600: #32907B;
$base-700: #296659;
$base-800: #1E423B;
$base-900: #142924;
$base-hover: #03120F;
$base-subtle: #8DE0CE;

{
    "color": {
        "base": {
            "value": "#031511",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEFB",
                "type": "color"
            },
            "100": {
                "value": "#DAFBF4",
                "type": "color"
            },
            "200": {
                "value": "#B8F5E7",
                "type": "color"
            },
            "300": {
                "value": "#87E8D3",
                "type": "color"
            },
            "400": {
                "value": "#5BD7BC",
                "type": "color"
            },
            "500": {
                "value": "#38BCA0",
                "type": "color"
            },
            "600": {
                "value": "#32907B",
                "type": "color"
            },
            "700": {
                "value": "#296659",
                "type": "color"
            },
            "800": {
                "value": "#1E423B",
                "type": "color"
            },
            "900": {
                "value": "#142924",
                "type": "color"
            }
        }
    }
}

Palettes built on #031511

Color Lab

Pairs with #031511

UI roles & guardrails

In real applications

Scales

Every model

Export