What color is #604271?

#604271 is a dark, muted violet. In RGB it is rgb(96, 66, 113), and in HSL hsl(278, 26%, 35%).

Is #604271 accessible as text?

On white, #604271 has a contrast ratio of 8.35:1 (passes WCAG AA for body text); on black it is 2.52:1 (fails). For text placed on #604271, use white for the best readability.

What is the closest Tailwind color to #604271?

The nearest Tailwind CSS token is mauve-600 (#594C5B).

What colors go well with #604271?

#604271 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #537042. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #604271 below.

Is #604271 good for buttons?

#604271 works well for buttons and highlights, but use white text on #604271 — black text only reaches 2.52:1, below the 4.5:1 needed for normal-size labels.

Is #604271 the same as CSS darkslateblue?

No — #604271 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) 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.

#604271 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #604271

Not just a swatch — here's how #604271 works with other colors. Named schemes with #604271 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #604271 Surface #F5E6D7 Anchor #5C213F Accent #E5C2C6 Secondary #332B2F

Ultra Violet sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Vintage Leather Lead · 5 colors

Lead #604271 Secondary #7E4630 Surface #ECD8C1 Accent #355249 Anchor #592235

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

Modern Café Dominant · 5 colors

Dominant #604271 Anchor #3B2922 Surface #F2E1D1 Accent #9F9362 Secondary #3C3733

Ultra Violet anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Japanese Sand Base · 5 colors

Base #604271 Surface #F1E8DC Highlight #F8F0E7 Secondary #BDADA1 Ink #2C2723

Ultra Violet 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 #F8F4EF Accent #604271 Secondary #7E7385 Support #9C9088 Ink #18140F

Ultra Violet 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 Ultra Violet carrying the quiet middle.

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Color Lab

How #604271 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 47/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 62/100

High

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

Luxury 61/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 74/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 32/100

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 #604271

For UI

For branding

For interior

For fashion

People also use #604271 with

Ultra Violet Eggplant Dark Olive Green Gainsboro Onyx

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 8.3:1. Use

Subtle surface Use #E0D8E4 for cards and hover fills. Tint 80

Avoid beside #6F4270 — 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 #604271 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: #604271;
  --color-base-rgb: 96 66 113;
  --color-base-oklch: oklch(43.2% 0.083 312.6);
  --color-50: #F8F5FA;
  --color-100: #ECE5F0;
  --color-200: #D9CCE1;
  --color-300: #BCA7C8;
  --color-400: #9F83AF;
  --color-500: #816491;
  --color-600: #655171;
  --color-700: #4A3D52;
  --color-800: #322A37;
  --color-900: #201B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F8F5FA',
    100: '#ECE5F0',
    200: '#D9CCE1',
    300: '#BCA7C8',
    400: '#9F83AF',
    500: '#816491',
    600: '#655171',
    700: '#4A3D52',
    800: '#322A37',
    900: '#201B22',
  },
}

$base: #604271;
$base-ink: #FFFFFF;
$base-50: #F8F5FA;
$base-100: #ECE5F0;
$base-200: #D9CCE1;
$base-300: #BCA7C8;
$base-400: #9F83AF;
$base-500: #816491;
$base-600: #655171;
$base-700: #4A3D52;
$base-800: #322A37;
$base-900: #201B22;
$base-hover: #4C355A;
$base-subtle: #D0C3D7;

{
    "color": {
        "base": {
            "value": "#604271",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F5FA",
                "type": "color"
            },
            "100": {
                "value": "#ECE5F0",
                "type": "color"
            },
            "200": {
                "value": "#D9CCE1",
                "type": "color"
            },
            "300": {
                "value": "#BCA7C8",
                "type": "color"
            },
            "400": {
                "value": "#9F83AF",
                "type": "color"
            },
            "500": {
                "value": "#816491",
                "type": "color"
            },
            "600": {
                "value": "#655171",
                "type": "color"
            },
            "700": {
                "value": "#4A3D52",
                "type": "color"
            },
            "800": {
                "value": "#322A37",
                "type": "color"
            },
            "900": {
                "value": "#201B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #604271

Color Lab

Pairs with #604271

UI roles & guardrails

In real applications

Scales

Every model

Export