What color is #031713?

#031713 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(3, 23, 19), and in HSL hsl(168, 77%, 5%).

Is #031713 accessible as text?

On white, #031713 has a contrast ratio of 18.49:1 (passes WCAG AA for body text); on black it is 1.14:1 (fails). For text placed on #031713, use white for the best readability.

What is the closest Tailwind color to #031713?

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

What colors go well with #031713?

As a neutral, #031713 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 #031713 the same as CSS midnightblue?

No — #031713 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#031713 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #031713

Not just a swatch — here's how #031713 works with other colors. Named schemes with #031713 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #031713 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 #031713 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 #031713 Anchor #141210 Accent #BBA94C 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 #031713 Anchor #292A2E Secondary #6D6F74 Surface #EBE7DA Accent #000102

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 #031713 Secondary #2F3634 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 #031713 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 21/100

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 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 76/100

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 8/100

Very low

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

Surface fit 64/100

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 #031713

For UI

For branding

For interior

For fashion

People also use #031713 with

British Racing 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 18.5:1. Use

Subtle surface Use #B4E9DF for cards and hover fills. Tint 80

Avoid beside #031417 — 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 #031713 at work across the surfaces designers actually ship.

Website / UI

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Export

:root {
  --color-base: #031713;
  --color-base-rgb: 3 23 19;
  --color-base-oklch: oklch(18.6% 0.029 178.8);
  --color-50: #F1FEFB;
  --color-100: #DAFBF5;
  --color-200: #B7F5E9;
  --color-300: #86E9D5;
  --color-400: #59D9BF;
  --color-500: #37BEA3;
  --color-600: #31917E;
  --color-700: #28665A;
  --color-800: #1E433C;
  --color-900: #142925;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1FEFB',
    100: '#DAFBF5',
    200: '#B7F5E9',
    300: '#86E9D5',
    400: '#59D9BF',
    500: '#37BEA3',
    600: '#31917E',
    700: '#28665A',
    800: '#1E433C',
    900: '#142925',
  },
}

$base: #031713;
$base-ink: #FFFFFF;
$base-50: #F1FEFB;
$base-100: #DAFBF5;
$base-200: #B7F5E9;
$base-300: #86E9D5;
$base-400: #59D9BF;
$base-500: #37BEA3;
$base-600: #31917E;
$base-700: #28665A;
$base-800: #1E433C;
$base-900: #142925;
$base-hover: #02120F;
$base-subtle: #8CE1D0;

{
    "color": {
        "base": {
            "value": "#031713",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEFB",
                "type": "color"
            },
            "100": {
                "value": "#DAFBF5",
                "type": "color"
            },
            "200": {
                "value": "#B7F5E9",
                "type": "color"
            },
            "300": {
                "value": "#86E9D5",
                "type": "color"
            },
            "400": {
                "value": "#59D9BF",
                "type": "color"
            },
            "500": {
                "value": "#37BEA3",
                "type": "color"
            },
            "600": {
                "value": "#31917E",
                "type": "color"
            },
            "700": {
                "value": "#28665A",
                "type": "color"
            },
            "800": {
                "value": "#1E433C",
                "type": "color"
            },
            "900": {
                "value": "#142925",
                "type": "color"
            }
        }
    }
}

Palettes built on #031713

Color Lab

Pairs with #031713

UI roles & guardrails

In real applications

Scales

Every model

Export