What color is #03071E?

#03071E is a very dark, vivid blue. In RGB it is rgb(3, 7, 30), and in HSL hsl(231, 82%, 6%).

Is #03071E accessible as text?

On white, #03071E has a contrast ratio of 19.94:1 (passes WCAG AA for body text); on black it is 1.05:1 (fails). For text placed on #03071E, use white for the best readability.

What is the closest Tailwind color to #03071E?

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

What colors go well with #03071E?

#03071E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1C1803. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03071E below.

Is #03071E good for buttons?

#03071E works well for buttons and highlights, but use white text on #03071E — black text only reaches 1.05:1, below the 4.5:1 needed for normal-size labels.

Is #03071E the same as CSS black?

No — #03071E is not the CSS named color black, but black (#000000) is the closest CSS named color.

#03071E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03071E

Not just a swatch — here's how #03071E works with other colors. Named schemes with #03071E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #03071E Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Jet Black opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #03071E Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

Jet Black keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #03071E Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #1B233B

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 #03071E Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #03071E Secondary #252932 Support #9D8F88 Ink #18140F

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 #03071E 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 38/100

Neutral

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

Softness 15/100

Very low

Firm and assertive — carries weight and contrast.

Depth 82/100

Very high

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 82/100

Very high

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

Brand distinctiveness 20/100

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 60/100

High

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

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03071E

For UI

For branding

For interior

For fashion

People also use #03071E with

Prussian Blue Jet Black Graphite Gainsboro

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 19.9:1. Use

Subtle surface Use #B3BBEB for cards and hover fills. Tint 80

Avoid beside #07031C — 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 #03071E at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #03071E;
  --color-base-rgb: 3 7 30;
  --color-base-oklch: oklch(14.1% 0.051 268.0);
  --color-50: #F0F3FE;
  --color-100: #D9DEFC;
  --color-200: #B5BFF8;
  --color-300: #8393ED;
  --color-400: #5569DD;
  --color-500: #3248C3;
  --color-600: #2E3D94;
  --color-700: #263069;
  --color-800: #1D2344;
  --color-900: #14172A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F0F3FE',
    100: '#D9DEFC',
    200: '#B5BFF8',
    300: '#8393ED',
    400: '#5569DD',
    500: '#3248C3',
    600: '#2E3D94',
    700: '#263069',
    800: '#1D2344',
    900: '#14172A',
  },
}

$base: #03071E;
$base-ink: #FFFFFF;
$base-50: #F0F3FE;
$base-100: #D9DEFC;
$base-200: #B5BFF8;
$base-300: #8393ED;
$base-400: #5569DD;
$base-500: #3248C3;
$base-600: #2E3D94;
$base-700: #263069;
$base-800: #1D2344;
$base-900: #14172A;
$base-hover: #020516;
$base-subtle: #8A98E4;

{
    "color": {
        "base": {
            "value": "#03071E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F3FE",
                "type": "color"
            },
            "100": {
                "value": "#D9DEFC",
                "type": "color"
            },
            "200": {
                "value": "#B5BFF8",
                "type": "color"
            },
            "300": {
                "value": "#8393ED",
                "type": "color"
            },
            "400": {
                "value": "#5569DD",
                "type": "color"
            },
            "500": {
                "value": "#3248C3",
                "type": "color"
            },
            "600": {
                "value": "#2E3D94",
                "type": "color"
            },
            "700": {
                "value": "#263069",
                "type": "color"
            },
            "800": {
                "value": "#1D2344",
                "type": "color"
            },
            "900": {
                "value": "#14172A",
                "type": "color"
            }
        }
    }
}

Palettes built on #03071E

Color Lab

Pairs with #03071E

UI roles & guardrails

In real applications

Scales

Every model

Export