What color is #660313?

#660313 is a dark, vivid red. In RGB it is rgb(102, 3, 19), and in HSL hsl(350, 94%, 21%).

Is #660313 accessible as text?

On white, #660313 has a contrast ratio of 13.23:1 (passes WCAG AA for body text); on black it is 1.59:1 (fails). For text placed on #660313, use white for the best readability.

What is the closest Tailwind color to #660313?

The nearest Tailwind CSS token is pink-950 (#510424).

What colors go well with #660313?

#660313 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #036857. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #660313 below.

Is #660313 good for buttons?

#660313 works well for buttons and highlights, but use white text on #660313 — black text only reaches 1.59:1, below the 4.5:1 needed for normal-size labels.

Is #660313 the same as CSS maroon?

No — #660313 is not the CSS named color maroon, but maroon (#800000) is the closest CSS named color.

#660313 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #660313

Not just a swatch — here's how #660313 works with other colors. Named schemes with #660313 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #660313 Secondary #B76327 Accent #787742 Surface #F4EBDD Anchor #3B2A21

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

Luxury Packaging Feature · 5 colors

Feature #660313 Anchor #141210 Accent #D19E4E Secondary #322524 Surface #F3EDE3

Rosewood 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.

Vintage Leather Lead · 5 colors

Lead #660313 Secondary #7C4928 Surface #EAD9C0 Accent #43503A Anchor #5A222F

Rosewood plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Moody Editorial Color · 5 colors

Color #660313 Anchor #2B2A2E Secondary #6F6E73 Surface #EDE6DA Accent #350000

Rosewood adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Rosewood.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #660313 Secondary #70504E Support #9B9087 Ink #17140F

Rosewood 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 Rosewood carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #660313 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 83/100

Warm

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 81/100

Very high

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

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 48/100

Moderate

Workable accent with care around contrast.

Surface fit 25/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #660313

For UI

For branding

For interior

For fashion

People also use #660313 with

Mardi Gras Garnet Castleton 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 13.2:1. Use

Subtle surface Use #F2BBC5 for cards and hover fills. Tint 80

Avoid beside #681403 — 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 #660313 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: #660313;
  --color-base-rgb: 102 3 19;
  --color-base-oklch: oklch(32.4% 0.128 21.9);
  --color-50: #FEF0F3;
  --color-100: #FDD8DE;
  --color-200: #FCB1BD;
  --color-300: #F47B8F;
  --color-400: #E74B65;
  --color-500: #CD2843;
  --color-600: #9B263A;
  --color-700: #6D212E;
  --color-800: #471A21;
  --color-900: #2B1216;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rosewood: {
    50: '#FEF0F3',
    100: '#FDD8DE',
    200: '#FCB1BD',
    300: '#F47B8F',
    400: '#E74B65',
    500: '#CD2843',
    600: '#9B263A',
    700: '#6D212E',
    800: '#471A21',
    900: '#2B1216',
  },
}

$base: #660313;
$base-ink: #FFFFFF;
$base-50: #FEF0F3;
$base-100: #FDD8DE;
$base-200: #FCB1BD;
$base-300: #F47B8F;
$base-400: #E74B65;
$base-500: #CD2843;
$base-600: #9B263A;
$base-700: #6D212E;
$base-800: #471A21;
$base-900: #2B1216;
$base-hover: #530310;
$base-subtle: #EE97A6;

{
    "color": {
        "base": {
            "value": "#660313",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F3",
                "type": "color"
            },
            "100": {
                "value": "#FDD8DE",
                "type": "color"
            },
            "200": {
                "value": "#FCB1BD",
                "type": "color"
            },
            "300": {
                "value": "#F47B8F",
                "type": "color"
            },
            "400": {
                "value": "#E74B65",
                "type": "color"
            },
            "500": {
                "value": "#CD2843",
                "type": "color"
            },
            "600": {
                "value": "#9B263A",
                "type": "color"
            },
            "700": {
                "value": "#6D212E",
                "type": "color"
            },
            "800": {
                "value": "#471A21",
                "type": "color"
            },
            "900": {
                "value": "#2B1216",
                "type": "color"
            }
        }
    }
}

Palettes built on #660313

Color Lab

Pairs with #660313

UI roles & guardrails

In real applications

Scales

Every model

Export