What color is #37101B?

#37101B is a very dark rose. In RGB it is rgb(55, 16, 27), and in HSL hsl(343, 55%, 14%).

Is #37101B accessible as text?

On white, #37101B has a contrast ratio of 16.77:1 (passes WCAG AA for body text); on black it is 1.25:1 (fails). For text placed on #37101B, use white for the best readability.

What is the closest Tailwind color to #37101B?

The nearest Tailwind CSS token is red-950 (#460809).

What colors go well with #37101B?

#37101B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #10372C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37101B below.

Is #37101B good for buttons?

#37101B works well for buttons and highlights, but use white text on #37101B — black text only reaches 1.25:1, below the 4.5:1 needed for normal-size labels.

Is #37101B the same as CSS midnightblue?

No — #37101B is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#37101B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37101B

Not just a swatch — here's how #37101B works with other colors. Named schemes with #37101B in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #37101B Secondary #7C482A Surface #EBD9C1 Accent #444F39 Anchor #5A2230

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 #37101B Secondary #B8622B Accent #7A7641 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 #37101B 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 #37101B Anchor #141210 Accent #D39C4F Secondary #322527 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 #37101B Secondary #4D3E41 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 #37101B 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 63/100

Warm

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

High

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

Naturalness 32/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 18/100

Very low

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

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #37101B

For UI

For branding

For interior

For fashion

People also use #37101B with

Tyrian Purple Bistre Bottle Green Gainsboro Taupe

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 16.8:1. Use

Subtle surface Use #E5C2CC for cards and hover fills. Tint 80

Avoid beside #371210 — 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 #37101B 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: #37101B;
  --color-base-rgb: 55 16 27;
  --color-base-oklch: oklch(24.1% 0.063 5.7);
  --color-50: #FCF3F5;
  --color-100: #F6DFE5;
  --color-200: #EDC0CD;
  --color-300: #DB94A8;
  --color-400: #C76B85;
  --color-500: #AB4A65;
  --color-600: #833F52;
  --color-700: #5E313E;
  --color-800: #3E232B;
  --color-900: #26171B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FCF3F5',
    100: '#F6DFE5',
    200: '#EDC0CD',
    300: '#DB94A8',
    400: '#C76B85',
    500: '#AB4A65',
    600: '#833F52',
    700: '#5E313E',
    800: '#3E232B',
    900: '#26171B',
  },
}

$base: #37101B;
$base-ink: #FFFFFF;
$base-50: #FCF3F5;
$base-100: #F6DFE5;
$base-200: #EDC0CD;
$base-300: #DB94A8;
$base-400: #C76B85;
$base-500: #AB4A65;
$base-600: #833F52;
$base-700: #5E313E;
$base-800: #3E232B;
$base-900: #26171B;
$base-hover: #2C0D16;
$base-subtle: #D9A2B1;

{
    "color": {
        "base": {
            "value": "#37101B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF3F5",
                "type": "color"
            },
            "100": {
                "value": "#F6DFE5",
                "type": "color"
            },
            "200": {
                "value": "#EDC0CD",
                "type": "color"
            },
            "300": {
                "value": "#DB94A8",
                "type": "color"
            },
            "400": {
                "value": "#C76B85",
                "type": "color"
            },
            "500": {
                "value": "#AB4A65",
                "type": "color"
            },
            "600": {
                "value": "#833F52",
                "type": "color"
            },
            "700": {
                "value": "#5E313E",
                "type": "color"
            },
            "800": {
                "value": "#3E232B",
                "type": "color"
            },
            "900": {
                "value": "#26171B",
                "type": "color"
            }
        }
    }
}