What color is #660315?

#660315 is a dark, vivid red. In RGB it is rgb(102, 3, 21), and in HSL hsl(349, 94%, 21%).

Is #660315 accessible as text?

On white, #660315 has a contrast ratio of 13.22:1 (passes WCAG AA for body text); on black it is 1.59:1 (fails). For text placed on #660315, use white for the best readability.

What is the closest Tailwind color to #660315?

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

What colors go well with #660315?

#660315 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #036855. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #660315 below.

Is #660315 good for buttons?

#660315 works well for buttons and highlights, but use white text on #660315 — black text only reaches 1.59:1, below the 4.5:1 needed for normal-size labels.

Is #660315 the same as CSS maroon?

No — #660315 is not the CSS named color maroon, but maroon (#800000) is the closest CSS named color.

#660315 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #660315

Not just a swatch — here's how #660315 works with other colors. Named schemes with #660315 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #660315 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 #660315 Anchor #141210 Accent #D19D4E Secondary #322525 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 #660315 Secondary #7C4928 Surface #EAD9C0 Accent #434F3A 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 #660315 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 #660315 Secondary #70504F 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 #660315 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 78/100

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 #660315

For UI

For branding

For interior

For fashion

People also use #660315 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 #681203 — 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 #660315 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: #660315;
  --color-base-rgb: 102 3 21;
  --color-base-oklch: oklch(32.5% 0.128 20.8);
  --color-50: #FEF0F3;
  --color-100: #FDD8DF;
  --color-200: #FCB1BE;
  --color-300: #F47B91;
  --color-400: #E74B68;
  --color-500: #CD2846;
  --color-600: #9B263C;
  --color-700: #6D212F;
  --color-800: #471A22;
  --color-900: #2B1217;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rosewood: {
    50: '#FEF0F3',
    100: '#FDD8DF',
    200: '#FCB1BE',
    300: '#F47B91',
    400: '#E74B68',
    500: '#CD2846',
    600: '#9B263C',
    700: '#6D212F',
    800: '#471A22',
    900: '#2B1217',
  },
}

$base: #660315;
$base-ink: #FFFFFF;
$base-50: #FEF0F3;
$base-100: #FDD8DF;
$base-200: #FCB1BE;
$base-300: #F47B91;
$base-400: #E74B68;
$base-500: #CD2846;
$base-600: #9B263C;
$base-700: #6D212F;
$base-800: #471A22;
$base-900: #2B1217;
$base-hover: #530311;
$base-subtle: #EE97A7;

{
    "color": {
        "base": {
            "value": "#660315",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F3",
                "type": "color"
            },
            "100": {
                "value": "#FDD8DF",
                "type": "color"
            },
            "200": {
                "value": "#FCB1BE",
                "type": "color"
            },
            "300": {
                "value": "#F47B91",
                "type": "color"
            },
            "400": {
                "value": "#E74B68",
                "type": "color"
            },
            "500": {
                "value": "#CD2846",
                "type": "color"
            },
            "600": {
                "value": "#9B263C",
                "type": "color"
            },
            "700": {
                "value": "#6D212F",
                "type": "color"
            },
            "800": {
                "value": "#471A22",
                "type": "color"
            },
            "900": {
                "value": "#2B1217",
                "type": "color"
            }
        }
    }
}

Palettes built on #660315

Color Lab

Pairs with #660315

UI roles & guardrails

In real applications

Scales

Every model

Export