What color is #4E3571?

#4E3571 is a dark violet. In RGB it is rgb(78, 53, 113), and in HSL hsl(265, 36%, 33%).

Is #4E3571 accessible as text?

On white, #4E3571 has a contrast ratio of 10.14:1 (passes WCAG AA for body text); on black it is 2.07:1 (fails). For text placed on #4E3571, use white for the best readability.

What is the closest Tailwind color to #4E3571?

The nearest Tailwind CSS token is indigo-900 (#312C85).

What colors go well with #4E3571?

#4E3571 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #597236. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4E3571 below.

Is #4E3571 good for buttons?

#4E3571 works well for buttons and highlights, but use white text on #4E3571 — black text only reaches 2.07:1, below the 4.5:1 needed for normal-size labels.

Is #4E3571 the same as CSS darkslateblue?

No — #4E3571 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.

#4E3571 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4E3571

Not just a swatch — here's how #4E3571 works with other colors. Named schemes with #4E3571 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #4E3571 Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

Dark Slate Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Coastal Morning Lead · 5 colors

Lead #4E3571 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Dark Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #4E3571 Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

Dark Slate Blue 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 #4E3571 Anchor #3B2923 Surface #F2E1D1 Accent #739F7E Secondary #3C3734

Dark Slate Blue 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #4E3571 Secondary #6E677D Support #9C9088 Ink #18140F

Dark Slate Blue 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 Dark Slate Blue carrying the quiet middle.

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Color Lab

How #4E3571 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 40/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 27/100

Low

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

UI accent fit 66/100

High

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

Surface fit 29/100

Low

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

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4E3571

For UI

For branding

For interior

For fashion

People also use #4E3571 with

Ultra Violet Byzantium Fern Green Gainsboro Russian Violet

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 10.1:1. Use

Subtle surface Use #DBD4E6 for cards and hover fills. Tint 80

Avoid beside #633672 — 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 #4E3571 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: #4E3571;
  --color-base-rgb: 78 53 113;
  --color-base-oklch: oklch(38.7% 0.101 301.1);
  --color-50: #F7F4FA;
  --color-100: #E9E3F2;
  --color-200: #D4C8E5;
  --color-300: #B4A0CF;
  --color-400: #947BB7;
  --color-500: #755B9A;
  --color-600: #5D4A77;
  --color-700: #453956;
  --color-800: #2F2839;
  --color-900: #1E1A23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F7F4FA',
    100: '#E9E3F2',
    200: '#D4C8E5',
    300: '#B4A0CF',
    400: '#947BB7',
    500: '#755B9A',
    600: '#5D4A77',
    700: '#453956',
    800: '#2F2839',
    900: '#1E1A23',
  },
}

$base: #4E3571;
$base-ink: #FFFFFF;
$base-50: #F7F4FA;
$base-100: #E9E3F2;
$base-200: #D4C8E5;
$base-300: #B4A0CF;
$base-400: #947BB7;
$base-500: #755B9A;
$base-600: #5D4A77;
$base-700: #453956;
$base-800: #2F2839;
$base-900: #1E1A23;
$base-hover: #3F2B5C;
$base-subtle: #C9BEDA;

{
    "color": {
        "base": {
            "value": "#4E3571",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F4FA",
                "type": "color"
            },
            "100": {
                "value": "#E9E3F2",
                "type": "color"
            },
            "200": {
                "value": "#D4C8E5",
                "type": "color"
            },
            "300": {
                "value": "#B4A0CF",
                "type": "color"
            },
            "400": {
                "value": "#947BB7",
                "type": "color"
            },
            "500": {
                "value": "#755B9A",
                "type": "color"
            },
            "600": {
                "value": "#5D4A77",
                "type": "color"
            },
            "700": {
                "value": "#453956",
                "type": "color"
            },
            "800": {
                "value": "#2F2839",
                "type": "color"
            },
            "900": {
                "value": "#1E1A23",
                "type": "color"
            }
        }
    }
}

Palettes built on #4E3571

Color Lab

Pairs with #4E3571

UI roles & guardrails

In real applications

Scales

Every model

Export