What color is #4B100B?

#4B100B is a very dark, vivid reddish brown. In RGB it is rgb(75, 16, 11), and in HSL hsl(5, 74%, 17%).

Is #4B100B accessible as text?

On white, #4B100B has a contrast ratio of 15.24:1 (passes WCAG AA for body text); on black it is 1.38:1 (fails). For text placed on #4B100B, use white for the best readability.

What is the closest Tailwind color to #4B100B?

The nearest Tailwind CSS token is orange-950 (#441306).

What colors go well with #4B100B?

#4B100B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0B464B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4B100B below.

Is #4B100B good for buttons?

#4B100B works well for buttons and highlights, but use white text on #4B100B — black text only reaches 1.38:1, below the 4.5:1 needed for normal-size labels.

Is #4B100B the same as CSS maroon?

No — #4B100B 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.

#4B100B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4B100B

Not just a swatch — here's how #4B100B works with other colors. Named schemes with #4B100B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #4B100B Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

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

Vintage Leather Lead · 5 colors

Lead #4B100B Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

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.

Desert Clay Center · 5 colors

Center #4B100B Surface #E3CEA8 Secondary #B17958 Accent #98976D Anchor #3E2C21

Oxblood holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #4B100B Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAEA0 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #4B100B Secondary #5C4642 Support #9B9186 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.

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Color Lab

How #4B100B 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 75/100

Warm

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

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

Naturalness 94/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 58/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 75/100

High

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

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 30/100

Low

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

Surface fit 40/100

Low

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 #4B100B

For UI

For branding

For interior

For fashion

People also use #4B100B with

Tyrian Purple Espresso Brunswick Green 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 15.2:1. Use

Subtle surface Use #EBC2BE for cards and hover fills. Tint 80

Avoid beside #4B260B — 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 #4B100B 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: #4B100B;
  --color-base-rgb: 75 16 11;
  --color-base-oklch: oklch(27.7% 0.090 29.0);
  --color-50: #FEF2F1;
  --color-100: #FBDDDB;
  --color-200: #F4BDB8;
  --color-300: #E79088;
  --color-400: #D6665C;
  --color-500: #BC4439;
  --color-600: #8F3B33;
  --color-700: #652F2A;
  --color-800: #42221F;
  --color-900: #291615;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FEF2F1',
    100: '#FBDDDB',
    200: '#F4BDB8',
    300: '#E79088',
    400: '#D6665C',
    500: '#BC4439',
    600: '#8F3B33',
    700: '#652F2A',
    800: '#42221F',
    900: '#291615',
  },
}

$base: #4B100B;
$base-ink: #FFFFFF;
$base-50: #FEF2F1;
$base-100: #FBDDDB;
$base-200: #F4BDB8;
$base-300: #E79088;
$base-400: #D6665C;
$base-500: #BC4439;
$base-600: #8F3B33;
$base-700: #652F2A;
$base-800: #42221F;
$base-900: #291615;
$base-hover: #3C0D09;
$base-subtle: #E3A29C;

{
    "color": {
        "base": {
            "value": "#4B100B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF2F1",
                "type": "color"
            },
            "100": {
                "value": "#FBDDDB",
                "type": "color"
            },
            "200": {
                "value": "#F4BDB8",
                "type": "color"
            },
            "300": {
                "value": "#E79088",
                "type": "color"
            },
            "400": {
                "value": "#D6665C",
                "type": "color"
            },
            "500": {
                "value": "#BC4439",
                "type": "color"
            },
            "600": {
                "value": "#8F3B33",
                "type": "color"
            },
            "700": {
                "value": "#652F2A",
                "type": "color"
            },
            "800": {
                "value": "#42221F",
                "type": "color"
            },
            "900": {
                "value": "#291615",
                "type": "color"
            }
        }
    }
}