What color is #604D71?

#604D71 is a dark, muted violet. In RGB it is rgb(96, 77, 113), and in HSL hsl(272, 19%, 37%).

Is #604D71 accessible as text?

On white, #604D71 has a contrast ratio of 7.51:1 (passes WCAG AA for body text); on black it is 2.80:1 (fails). For text placed on #604D71, use white for the best readability.

What is the closest Tailwind color to #604D71?

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

What colors go well with #604D71?

#604D71 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5D704C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #604D71 below.

Is #604D71 good for buttons?

#604D71 works well for buttons and highlights, but use white text on #604D71 — black text only reaches 2.80:1, below the 4.5:1 needed for normal-size labels.

Is #604D71 the same as CSS darkslateblue?

No — #604D71 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.

#604D71 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #604D71

Not just a swatch — here's how #604D71 works with other colors. Named schemes with #604D71 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #604D71 Surface #F5E6D7 Anchor #5C213F Accent #E5C2C7 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 #604D71 Secondary #7E4630 Surface #EDD8C1 Accent #355249 Anchor #592236

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 #604D71 Anchor #3B2923 Surface #F2E1D1 Accent #9F9361 Secondary #3C3734

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 #604D71 Surface #F2E8DC 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 #604D71 Secondary #827B89 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.

Build a working theme in the generator →

Color Lab

How #604D71 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 46/100

Neutral

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

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 55/100

Moderate

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

Luxury 58/100

Moderate

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 70/100

High

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

Surface fit 37/100

Low

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 #604D71

For UI

For branding

For interior

For fashion

People also use #604D71 with

Ultra Violet Eggplant Fern 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 7.5:1. Use

Subtle surface Use #DFDAE3 for cards and hover fills. Tint 80

Avoid beside #6B4C70 — 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 #604D71 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: #604D71;
  --color-base-rgb: 96 77 113;
  --color-base-oklch: oklch(45.4% 0.062 308.2);
  --color-50: #F7F6F9;
  --color-100: #EBE7EF;
  --color-200: #D7CEDE;
  --color-300: #B8ABC4;
  --color-400: #9A89A9;
  --color-500: #7C6A8B;
  --color-600: #62556D;
  --color-700: #48404F;
  --color-800: #312C35;
  --color-900: #1F1C21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F7F6F9',
    100: '#EBE7EF',
    200: '#D7CEDE',
    300: '#B8ABC4',
    400: '#9A89A9',
    500: '#7C6A8B',
    600: '#62556D',
    700: '#48404F',
    800: '#312C35',
    900: '#1F1C21',
  },
}

$base: #604D71;
$base-ink: #FFFFFF;
$base-50: #F7F6F9;
$base-100: #EBE7EF;
$base-200: #D7CEDE;
$base-300: #B8ABC4;
$base-400: #9A89A9;
$base-500: #7C6A8B;
$base-600: #62556D;
$base-700: #48404F;
$base-800: #312C35;
$base-900: #1F1C21;
$base-hover: #4C3D5A;
$base-subtle: #CFC8D6;

{
    "color": {
        "base": {
            "value": "#604D71",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F6F9",
                "type": "color"
            },
            "100": {
                "value": "#EBE7EF",
                "type": "color"
            },
            "200": {
                "value": "#D7CEDE",
                "type": "color"
            },
            "300": {
                "value": "#B8ABC4",
                "type": "color"
            },
            "400": {
                "value": "#9A89A9",
                "type": "color"
            },
            "500": {
                "value": "#7C6A8B",
                "type": "color"
            },
            "600": {
                "value": "#62556D",
                "type": "color"
            },
            "700": {
                "value": "#48404F",
                "type": "color"
            },
            "800": {
                "value": "#312C35",
                "type": "color"
            },
            "900": {
                "value": "#1F1C21",
                "type": "color"
            }
        }
    }
}

Palettes built on #604D71

Color Lab

Pairs with #604D71

UI roles & guardrails

In real applications

Scales

Every model

Export