What color is #05011F?

#05011F is a very dark, vivid indigo. In RGB it is rgb(5, 1, 31), and in HSL hsl(248, 94%, 6%).

Is #05011F accessible as text?

On white, #05011F has a contrast ratio of 20.38:1 (passes WCAG AA for body text); on black it is 1.03:1 (fails). For text placed on #05011F, use white for the best readability.

What is the closest Tailwind color to #05011F?

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

What colors go well with #05011F?

#05011F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1A1E01. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #05011F below.

Is #05011F good for buttons?

#05011F works well for buttons and highlights, but use white text on #05011F — black text only reaches 1.03:1, below the 4.5:1 needed for normal-size labels.

Is #05011F the same as CSS black?

No — #05011F is not the CSS named color black, but black (#000000) is the closest CSS named color.

#05011F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #05011F

Not just a swatch — here's how #05011F works with other colors. Named schemes with #05011F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #05011F Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

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 #05011F Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 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.

Vintage Leather Lead · 5 colors

Lead #05011F Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

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.

Luxury Packaging Feature · 5 colors

Feature #05011F Anchor #141210 Accent #DB9758 Secondary #272833 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 #05011F Secondary #232430 Support #9D9088 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.

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Color Lab

How #05011F 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

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 13/100

Very low

Firm and assertive — carries weight and contrast.

Depth 85/100

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 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 85/100

Very high

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

Brand distinctiveness 26/100

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 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #05011F

For UI

For branding

For interior

For fashion

People also use #05011F with

Navy Jet Black Graphite Gainsboro Prussian Blue

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 20.4:1. Use

Subtle surface Use #B7AFF0 for cards and hover fills. Tint 80

Avoid beside #0E011E — 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 #05011F 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: #05011F;
  --color-base-rgb: 5 1 31;
  --color-base-oklch: oklch(12.3% 0.067 281.5);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BBB1FC;
  --color-300: #8B7BF4;
  --color-400: #604BE7;
  --color-500: #3E28CD;
  --color-600: #36269B;
  --color-700: #2C216D;
  --color-800: #201A47;
  --color-900: #15122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BBB1FC',
    300: '#8B7BF4',
    400: '#604BE7',
    500: '#3E28CD',
    600: '#36269B',
    700: '#2C216D',
    800: '#201A47',
    900: '#15122B',
  },
}

$base: #05011F;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BBB1FC;
$base-300: #8B7BF4;
$base-400: #604BE7;
$base-500: #3E28CD;
$base-600: #36269B;
$base-700: #2C216D;
$base-800: #201A47;
$base-900: #15122B;
$base-hover: #040118;
$base-subtle: #9184EA;

{
    "color": {
        "base": {
            "value": "#05011F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BBB1FC",
                "type": "color"
            },
            "300": {
                "value": "#8B7BF4",
                "type": "color"
            },
            "400": {
                "value": "#604BE7",
                "type": "color"
            },
            "500": {
                "value": "#3E28CD",
                "type": "color"
            },
            "600": {
                "value": "#36269B",
                "type": "color"
            },
            "700": {
                "value": "#2C216D",
                "type": "color"
            },
            "800": {
                "value": "#201A47",
                "type": "color"
            },
            "900": {
                "value": "#15122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #05011F

Color Lab

Pairs with #05011F

UI roles & guardrails

In real applications

Scales

Every model

Export