What color is #400A21?

#400A21 is a very dark, vivid pink. In RGB it is rgb(64, 10, 33), and in HSL hsl(334, 73%, 15%).

Is #400A21 accessible as text?

On white, #400A21 has a contrast ratio of 16.36:1 (passes WCAG AA for body text); on black it is 1.28:1 (fails). For text placed on #400A21, use white for the best readability.

What is the closest Tailwind color to #400A21?

The nearest Tailwind CSS token is rose-950 (#4D0218).

What colors go well with #400A21?

#400A21 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0A422A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #400A21 below.

Is #400A21 good for buttons?

#400A21 works well for buttons and highlights, but use white text on #400A21 — black text only reaches 1.28:1, below the 4.5:1 needed for normal-size labels.

Is #400A21 the same as CSS maroon?

No — #400A21 is not the CSS named color maroon, but maroon (#800000) 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.

#400A21 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #400A21

Not just a swatch — here's how #400A21 works with other colors. Named schemes with #400A21 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #400A21 Secondary #7C482A Surface #EBD9C1 Accent #444F39 Anchor #5A2231

Oxblood 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 #400A21 Secondary #B9612D Accent #7B7641 Surface #F5EBDD Anchor #3C2A21

This palette keeps Oxblood 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 #400A21 Surface #F1E8DC Highlight #F7F1E7 Secondary #BCAEA0 Ink #2B2723

Oxblood 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 #400A21 Anchor #141210 Accent #D49C50 Secondary #312528 Surface #F3EDE3

Oxblood 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 #400A21 Secondary #543F45 Support #9B9087 Ink #17140F

Oxblood 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 Oxblood carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #400A21 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 66/100

Warm

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

High

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

Naturalness 29/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 77/100

High

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

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 23/100

Low

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

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #400A21

For UI

For branding

For interior

For fashion

People also use #400A21 with

Byzantium Oxblood British Racing Green Gainsboro Eggplant

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 16.4:1. Use

Subtle surface Use #EABDD1 for cards and hover fills. Tint 80

Avoid beside #420A10 — 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 #400A21 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: #400A21;
  --color-base-rgb: 64 10 33;
  --color-base-oklch: oklch(25.3% 0.085 359.5);
  --color-50: #FDF1F7;
  --color-100: #FADBE8;
  --color-200: #F4B9D2;
  --color-300: #E788B1;
  --color-400: #D55D91;
  --color-500: #BB3A72;
  --color-600: #8E335B;
  --color-700: #652A43;
  --color-800: #421F2E;
  --color-900: #28151D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FDF1F7',
    100: '#FADBE8',
    200: '#F4B9D2',
    300: '#E788B1',
    400: '#D55D91',
    500: '#BB3A72',
    600: '#8E335B',
    700: '#652A43',
    800: '#421F2E',
    900: '#28151D',
  },
}

$base: #400A21;
$base-ink: #FFFFFF;
$base-50: #FDF1F7;
$base-100: #FADBE8;
$base-200: #F4B9D2;
$base-300: #E788B1;
$base-400: #D55D91;
$base-500: #BB3A72;
$base-600: #8E335B;
$base-700: #652A43;
$base-800: #421F2E;
$base-900: #28151D;
$base-hover: #35081C;
$base-subtle: #E29AB9;

{
    "color": {
        "base": {
            "value": "#400A21",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF1F7",
                "type": "color"
            },
            "100": {
                "value": "#FADBE8",
                "type": "color"
            },
            "200": {
                "value": "#F4B9D2",
                "type": "color"
            },
            "300": {
                "value": "#E788B1",
                "type": "color"
            },
            "400": {
                "value": "#D55D91",
                "type": "color"
            },
            "500": {
                "value": "#BB3A72",
                "type": "color"
            },
            "600": {
                "value": "#8E335B",
                "type": "color"
            },
            "700": {
                "value": "#652A43",
                "type": "color"
            },
            "800": {
                "value": "#421F2E",
                "type": "color"
            },
            "900": {
                "value": "#28151D",
                "type": "color"
            }
        }
    }
}