What color is #1C0305?

#1C0305 is a very dark, vivid red. In RGB it is rgb(28, 3, 5), and in HSL hsl(355, 81%, 6%).

Is #1C0305 accessible as text?

On white, #1C0305 has a contrast ratio of 19.73:1 (passes WCAG AA for body text); on black it is 1.06:1 (fails). For text placed on #1C0305, use white for the best readability.

What is the closest Tailwind color to #1C0305?

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

What colors go well with #1C0305?

#1C0305 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #031C1A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1C0305 below.

Is #1C0305 good for buttons?

#1C0305 works well for buttons and highlights, but use white text on #1C0305 — black text only reaches 1.06:1, below the 4.5:1 needed for normal-size labels.

Is #1C0305 the same as CSS black?

No — #1C0305 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#1C0305 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1C0305

Not just a swatch — here's how #1C0305 works with other colors. Named schemes with #1C0305 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #1C0305 Secondary #7C4828 Surface #EAD9C0 Accent #434F3A Anchor #5A222F

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #1C0305 Secondary #B86228 Accent #797742 Surface #F4EBDD Anchor #3B2A21

This palette keeps Jet Black as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Japanese Sand Base · 5 colors

Base #1C0305 Surface #F0E8DC Highlight #F7F1E7 Secondary #BBAEA0 Ink #2B2723

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 #1C0305 Anchor #141210 Accent #D29D4E Secondary #322525 Surface #F3EDE3

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 #F7F4EF Accent #1C0305 Secondary #342929 Support #9B9087 Ink #17140F

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 #1C0305 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 62/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

Very high

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

Naturalness 42/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 81/100

Very high

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

Brand distinctiveness 18/100

Very low

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

UI accent fit 6/100

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 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1C0305

For UI

For branding

For interior

For fashion

People also use #1C0305 with

Deep Purple Jet Black Graphite Gainsboro Espresso

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 19.7:1. Use

Subtle surface Use #EBB3B8 for cards and hover fills. Tint 80

Avoid beside #1C0903 — 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 #1C0305 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: #1C0305;
  --color-base-rgb: 28 3 5;
  --color-base-oklch: oklch(15.4% 0.048 17.8);
  --color-50: #FEF1F2;
  --color-100: #FCD9DC;
  --color-200: #F7B5BB;
  --color-300: #EC838C;
  --color-400: #DC5661;
  --color-500: #C2333F;
  --color-600: #932E37;
  --color-700: #68272C;
  --color-800: #441D20;
  --color-900: #2A1415;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF1F2',
    100: '#FCD9DC',
    200: '#F7B5BB',
    300: '#EC838C',
    400: '#DC5661',
    500: '#C2333F',
    600: '#932E37',
    700: '#68272C',
    800: '#441D20',
    900: '#2A1415',
  },
}

$base: #1C0305;
$base-ink: #FFFFFF;
$base-50: #FEF1F2;
$base-100: #FCD9DC;
$base-200: #F7B5BB;
$base-300: #EC838C;
$base-400: #DC5661;
$base-500: #C2333F;
$base-600: #932E37;
$base-700: #68272C;
$base-800: #441D20;
$base-900: #2A1415;
$base-hover: #160204;
$base-subtle: #E38B92;

{
    "color": {
        "base": {
            "value": "#1C0305",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF1F2",
                "type": "color"
            },
            "100": {
                "value": "#FCD9DC",
                "type": "color"
            },
            "200": {
                "value": "#F7B5BB",
                "type": "color"
            },
            "300": {
                "value": "#EC838C",
                "type": "color"
            },
            "400": {
                "value": "#DC5661",
                "type": "color"
            },
            "500": {
                "value": "#C2333F",
                "type": "color"
            },
            "600": {
                "value": "#932E37",
                "type": "color"
            },
            "700": {
                "value": "#68272C",
                "type": "color"
            },
            "800": {
                "value": "#441D20",
                "type": "color"
            },
            "900": {
                "value": "#2A1415",
                "type": "color"
            }
        }
    }
}

Palettes built on #1C0305

Color Lab

Pairs with #1C0305

UI roles & guardrails

In real applications

Scales

Every model

Export