What color is #03000A?

#03000A is a very dark, vivid indigo. In RGB it is rgb(3, 0, 10), and in HSL hsl(258, 100%, 2%).

Is #03000A accessible as text?

On white, #03000A has a contrast ratio of 20.83:1 (passes WCAG AA for body text); on black it is 1.01:1 (fails). For text placed on #03000A, use white for the best readability.

What is the closest Tailwind color to #03000A?

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

What colors go well with #03000A?

#03000A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #070A00. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03000A below.

Is #03000A good for buttons?

#03000A works well for buttons and highlights, but use white text on #03000A — black text only reaches 1.01:1, below the 4.5:1 needed for normal-size labels.

Is #03000A the same as CSS black?

No — #03000A is not the CSS named color black, but black (#000000) is the closest CSS named color.

#03000A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03000A

Not just a swatch — here's how #03000A works with other colors. Named schemes with #03000A in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #03000A Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

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 #03000A Surface #F2E8DD Highlight #F8F0E7 Secondary #BDADA1 Ink #2C2724

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 #03000A Anchor #141210 Accent #DA9855 Secondary #2A2731 Surface #F3ECE3

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 #F8F4EF Accent #03000A Secondary #1C1921 Support #9C9088 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.

Berry & Cream Lead · 5 colors

Lead #03000A Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

Jet Black sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Build a working theme in the generator →

Color Lab

How #03000A 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 46/100

Neutral

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

Softness 9/100

Very low

Firm and assertive — carries weight and contrast.

Depth 88/100

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 16/100

Very low

Clean and current — no dusty, aged cast.

Luxury 86/100

Very high

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

Brand distinctiveness 16/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 2/100

Very low

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

Surface fit 67/100

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 #03000A

For UI

For branding

For interior

For fashion

People also use #03000A with

Navy Jet Black Gainsboro Russian Violet

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 20.8:1. Use

Subtle surface Use #BFA9F1 for cards and hover fills. Tint 80

Avoid beside #06000A — 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 #03000A 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: #03000A;
  --color-base-rgb: 3 0 10;
  --color-base-oklch: oklch(8.0% 0.043 300.6);
  --color-50: #F5F0FE;
  --color-100: #E3D8FD;
  --color-200: #C7B1FC;
  --color-300: #9E77F8;
  --color-400: #7846EC;
  --color-500: #5722D2;
  --color-600: #48239F;
  --color-700: #371F70;
  --color-800: #271848;
  --color-900: #19112C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F5F0FE',
    100: '#E3D8FD',
    200: '#C7B1FC',
    300: '#9E77F8',
    400: '#7846EC',
    500: '#5722D2',
    600: '#48239F',
    700: '#371F70',
    800: '#271848',
    900: '#19112C',
  },
}

$base: #03000A;
$base-ink: #FFFFFF;
$base-50: #F5F0FE;
$base-100: #E3D8FD;
$base-200: #C7B1FC;
$base-300: #9E77F8;
$base-400: #7846EC;
$base-500: #5722D2;
$base-600: #48239F;
$base-700: #371F70;
$base-800: #271848;
$base-900: #19112C;
$base-hover: #020008;
$base-subtle: #9D7BED;

{
    "color": {
        "base": {
            "value": "#03000A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E3D8FD",
                "type": "color"
            },
            "200": {
                "value": "#C7B1FC",
                "type": "color"
            },
            "300": {
                "value": "#9E77F8",
                "type": "color"
            },
            "400": {
                "value": "#7846EC",
                "type": "color"
            },
            "500": {
                "value": "#5722D2",
                "type": "color"
            },
            "600": {
                "value": "#48239F",
                "type": "color"
            },
            "700": {
                "value": "#371F70",
                "type": "color"
            },
            "800": {
                "value": "#271848",
                "type": "color"
            },
            "900": {
                "value": "#19112C",
                "type": "color"
            }
        }
    }
}

Palettes built on #03000A

Color Lab

Pairs with #03000A

UI roles & guardrails

In real applications

Scales

Every model

Export