What color is #573FEF?

#573FEF is a medium, vivid indigo. In RGB it is rgb(87, 63, 239), and in HSL hsl(248, 85%, 59%).

Is #573FEF accessible as text?

On white, #573FEF has a contrast ratio of 6.25:1 (passes WCAG AA for body text); on black it is 3.36:1 (fails). For text placed on #573FEF, use white for the best readability.

What is the closest Tailwind color to #573FEF?

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

What colors go well with #573FEF?

#573FEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D8EF3E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #573FEF below.

Is #573FEF good for buttons?

#573FEF works well for buttons and highlights, but use white text on #573FEF — black text only reaches 3.36:1, below the 4.5:1 needed for normal-size labels.

Is #573FEF the same as CSS slateblue?

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

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

Palettes built on #573FEF

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

Tech Product Signal · 5 colors

Signal #573FEF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7670FF

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 #573FEF 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 #573FEF Secondary #868BC5 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 #573FEF 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 #573FEF Secondary #E86A71 Accent #F6934D 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 #573FEF 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 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 54/100

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 9/100

Very low

Clean and current — no dusty, aged cast.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 95/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 63/100

High

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

Surface fit 9/100

Very low

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

Print safety 62/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #573FEF

For UI

For branding

For interior

For fashion

People also use #573FEF 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 #E1DDF7 for cards and hover fills. Tint 80

Avoid beside #913EEF — 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 #573FEF 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: #573FEF;
  --color-base-rgb: 87 63 239;
  --color-base-oklch: oklch(51.6% 0.247 279.5);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BDB4F9;
  --color-300: #8F81EE;
  --color-400: #6553DF;
  --color-500: #4430C5;
  --color-600: #3A2C96;
  --color-700: #2E256A;
  --color-800: #211C45;
  --color-900: #16132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  han-purple: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BDB4F9',
    300: '#8F81EE',
    400: '#6553DF',
    500: '#4430C5',
    600: '#3A2C96',
    700: '#2E256A',
    800: '#211C45',
    900: '#16132A',
  },
}

$base: #573FEF;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BDB4F9;
$base-300: #8F81EE;
$base-400: #6553DF;
$base-500: #4430C5;
$base-600: #3A2C96;
$base-700: #2E256A;
$base-800: #211C45;
$base-900: #16132A;
$base-hover: #2D12DF;
$base-subtle: #D1CBF4;

{
    "color": {
        "base": {
            "value": "#573FEF",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BDB4F9",
                "type": "color"
            },
            "300": {
                "value": "#8F81EE",
                "type": "color"
            },
            "400": {
                "value": "#6553DF",
                "type": "color"
            },
            "500": {
                "value": "#4430C5",
                "type": "color"
            },
            "600": {
                "value": "#3A2C96",
                "type": "color"
            },
            "700": {
                "value": "#2E256A",
                "type": "color"
            },
            "800": {
                "value": "#211C45",
                "type": "color"
            },
            "900": {
                "value": "#16132A",
                "type": "color"
            }
        }
    }
}

Palettes built on #573FEF

Color Lab

Pairs with #573FEF

UI roles & guardrails

In real applications

Scales

Every model

Export