What color is #573EF4?

#573EF4 is a medium, vivid indigo. In RGB it is rgb(87, 62, 244), and in HSL hsl(248, 89%, 60%).

Is #573EF4 accessible as text?

On white, #573EF4 has a contrast ratio of 6.18:1 (passes WCAG AA for body text); on black it is 3.40:1 (fails). For text placed on #573EF4, use white for the best readability.

What is the closest Tailwind color to #573EF4?

The nearest Tailwind CSS token is indigo-600 (#4F39F6).

What colors go well with #573EF4?

#573EF4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DCF43E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #573EF4 below.

Is #573EF4 good for buttons?

#573EF4 works well for buttons and highlights, but use white text on #573EF4 — black text only reaches 3.40:1, below the 4.5:1 needed for normal-size labels.

Is #573EF4 the same as CSS slateblue?

No — #573EF4 is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#573EF4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #573EF4

Not just a swatch — here's how #573EF4 works with other colors. Named schemes with #573EF4 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #573EF4 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7571FF

Han Purple is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Han Purple.

Berry & Cream Lead · 5 colors

Lead #573EF4 Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #573EF4 Secondary #868CC8 Support #9D9088 Ink #18140F

Han Purple 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 Han Purple carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #573EF4 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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

Sunset Warmth Glow · 5 colors

Glow #573EF4 Secondary #E86A71 Accent #F6934E Anchor #583B57 Surface #F7E7D7

Han Purple glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

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Color Lab

How #573EF4 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 17/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

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 7/100

Very low

Clean and current — no dusty, aged cast.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 98/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 59/100

Moderate

Workable accent with care around contrast.

Surface fit 9/100

Very low

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

Print safety 61/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #573EF4

For UI

For branding

For interior

For fashion

People also use #573EF4 with

Cornflower Blue Electric Purple Pear Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 6.2:1. Use

Subtle surface Use #E1DEF8 for cards and hover fills. Tint 80

Avoid beside #933EF4 — 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 #573EF4 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: #573EF4;
  --color-base-rgb: 87 62 244;
  --color-base-oklch: oklch(52.0% 0.254 279.1);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BCB2FA;
  --color-300: #8D7EF1;
  --color-400: #634FE3;
  --color-500: #412CC9;
  --color-600: #382A98;
  --color-700: #2D236B;
  --color-800: #211B46;
  --color-900: #16132B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  han-purple: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BCB2FA',
    300: '#8D7EF1',
    400: '#634FE3',
    500: '#412CC9',
    600: '#382A98',
    700: '#2D236B',
    800: '#211B46',
    900: '#16132B',
  },
}

$base: #573EF4;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BCB2FA;
$base-300: #8D7EF1;
$base-400: #634FE3;
$base-500: #412CC9;
$base-600: #382A98;
$base-700: #2D236B;
$base-800: #211B46;
$base-900: #16132B;
$base-hover: #2B0DE7;
$base-subtle: #D1CCF5;

{
    "color": {
        "base": {
            "value": "#573EF4",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BCB2FA",
                "type": "color"
            },
            "300": {
                "value": "#8D7EF1",
                "type": "color"
            },
            "400": {
                "value": "#634FE3",
                "type": "color"
            },
            "500": {
                "value": "#412CC9",
                "type": "color"
            },
            "600": {
                "value": "#382A98",
                "type": "color"
            },
            "700": {
                "value": "#2D236B",
                "type": "color"
            },
            "800": {
                "value": "#211B46",
                "type": "color"
            },
            "900": {
                "value": "#16132B",
                "type": "color"
            }
        }
    }
}

Palettes built on #573EF4

Color Lab

Pairs with #573EF4

UI roles & guardrails

In real applications

Scales

Every model

Export