What color is #37151C?

#37151C is a very dark red. In RGB it is rgb(55, 21, 28), and in HSL hsl(348, 45%, 15%).

Is #37151C accessible as text?

On white, #37151C has a contrast ratio of 16.32:1 (passes WCAG AA for body text); on black it is 1.29:1 (fails). For text placed on #37151C, use white for the best readability.

What is the closest Tailwind color to #37151C?

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

What colors go well with #37151C?

#37151C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #153731. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37151C below.

Is #37151C good for buttons?

#37151C works well for buttons and highlights, but use white text on #37151C — black text only reaches 1.29:1, below the 4.5:1 needed for normal-size labels.

Is #37151C the same as CSS midnightblue?

No — #37151C 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.

#37151C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37151C

Not just a swatch — here's how #37151C works with other colors. Named schemes with #37151C in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #37151C Secondary #7C4829 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 #37151C Secondary #B8622A Accent #7A7642 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 #37151C Surface #F0E8DC 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.

Luxury Packaging Feature · 5 colors

Feature #37151C Anchor #141210 Accent #D39D4F 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 #37151C Secondary #4F4143 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 #37151C 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 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

High

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

Naturalness 33/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 21/100

Low

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

UI accent fit 19/100

Very low

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

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #37151C

For UI

For branding

For interior

For fashion

People also use #37151C 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 16.3:1. Use

Subtle surface Use #E2C6CB for cards and hover fills. Tint 80

Avoid beside #371A15 — 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 #37151C 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: #37151C;
  --color-base-rgb: 55 21 28;
  --color-base-oklch: oklch(25.0% 0.055 9.0);
  --color-50: #FBF4F5;
  --color-100: #F4E1E5;
  --color-200: #E8C4CB;
  --color-300: #D59BA6;
  --color-400: #BE7483;
  --color-500: #A25363;
  --color-600: #7D4550;
  --color-700: #5A353D;
  --color-800: #3B262A;
  --color-900: #25191B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FBF4F5',
    100: '#F4E1E5',
    200: '#E8C4CB',
    300: '#D59BA6',
    400: '#BE7483',
    500: '#A25363',
    600: '#7D4550',
    700: '#5A353D',
    800: '#3B262A',
    900: '#25191B',
  },
}

$base: #37151C;
$base-ink: #FFFFFF;
$base-50: #FBF4F5;
$base-100: #F4E1E5;
$base-200: #E8C4CB;
$base-300: #D59BA6;
$base-400: #BE7483;
$base-500: #A25363;
$base-600: #7D4550;
$base-700: #5A353D;
$base-800: #3B262A;
$base-900: #25191B;
$base-hover: #2C1116;
$base-subtle: #D4A8B1;

{
    "color": {
        "base": {
            "value": "#37151C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBF4F5",
                "type": "color"
            },
            "100": {
                "value": "#F4E1E5",
                "type": "color"
            },
            "200": {
                "value": "#E8C4CB",
                "type": "color"
            },
            "300": {
                "value": "#D59BA6",
                "type": "color"
            },
            "400": {
                "value": "#BE7483",
                "type": "color"
            },
            "500": {
                "value": "#A25363",
                "type": "color"
            },
            "600": {
                "value": "#7D4550",
                "type": "color"
            },
            "700": {
                "value": "#5A353D",
                "type": "color"
            },
            "800": {
                "value": "#3B262A",
                "type": "color"
            },
            "900": {
                "value": "#25191B",
                "type": "color"
            }
        }
    }
}