What color is #4537DA?

#4537DA is a medium blue-violet. In RGB it is rgb(69, 55, 218), and in HSL hsl(245, 69%, 54%).

Is #4537DA accessible as text?

On white, #4537DA has a contrast ratio of 7.47:1 (passes WCAG AA for body text); on black it is 2.81:1 (fails). For text placed on #4537DA, use white for the best readability.

What is the closest Tailwind color to #4537DA?

The nearest Tailwind CSS token is indigo-700 (#432DD7).

What colors go well with #4537DA?

#4537DA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CDDB39. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4537DA below.

Is #4537DA good for buttons?

#4537DA works well for buttons and highlights, but use white text on #4537DA — black text only reaches 2.81:1, below the 4.5:1 needed for normal-size labels.

Is #4537DA the same as CSS slateblue?

No — #4537DA is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#4537DA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4537DA

Not just a swatch — here's how #4537DA works with other colors. Named schemes with #4537DA in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #4537DA Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #6368F7

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 #4537DA Surface #F6E5D8 Anchor #5B2143 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 #4537DA Secondary #7780B5 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 #4537DA Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

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 #4537DA Secondary #E86A72 Accent #F6924E 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.

Build a working theme in the generator →

Color Lab

How #4537DA 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 16/100

Cool

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 58/100

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 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 90/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 66/100

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 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4537DA

For UI

For branding

For interior

For fashion

People also use #4537DA with

Carolina Blue Dark Orchid Pear Gainsboro Prussian Blue

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 #DEDCF3 for cards and hover fills. Tint 80

Avoid beside #7C39DB — 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 #4537DA 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: #4537DA;
  --color-base-rgb: 69 55 218;
  --color-base-oklch: oklch(47.3% 0.234 276.4);
  --color-50: #F3F2FD;
  --color-100: #DEDCF9;
  --color-200: #BFBAF2;
  --color-300: #928BE4;
  --color-400: #6960D2;
  --color-500: #483EB7;
  --color-600: #3D368C;
  --color-700: #302C63;
  --color-800: #232041;
  --color-900: #171528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  han-purple: {
    50: '#F3F2FD',
    100: '#DEDCF9',
    200: '#BFBAF2',
    300: '#928BE4',
    400: '#6960D2',
    500: '#483EB7',
    600: '#3D368C',
    700: '#302C63',
    800: '#232041',
    900: '#171528',
  },
}

$base: #4537DA;
$base-ink: #FFFFFF;
$base-50: #F3F2FD;
$base-100: #DEDCF9;
$base-200: #BFBAF2;
$base-300: #928BE4;
$base-400: #6960D2;
$base-500: #483EB7;
$base-600: #3D368C;
$base-700: #302C63;
$base-800: #232041;
$base-900: #171528;
$base-hover: #2F22BA;
$base-subtle: #CCC9EE;

{
    "color": {
        "base": {
            "value": "#4537DA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DEDCF9",
                "type": "color"
            },
            "200": {
                "value": "#BFBAF2",
                "type": "color"
            },
            "300": {
                "value": "#928BE4",
                "type": "color"
            },
            "400": {
                "value": "#6960D2",
                "type": "color"
            },
            "500": {
                "value": "#483EB7",
                "type": "color"
            },
            "600": {
                "value": "#3D368C",
                "type": "color"
            },
            "700": {
                "value": "#302C63",
                "type": "color"
            },
            "800": {
                "value": "#232041",
                "type": "color"
            },
            "900": {
                "value": "#171528",
                "type": "color"
            }
        }
    }
}

Palettes built on #4537DA

Color Lab

Pairs with #4537DA

UI roles & guardrails

In real applications

Scales

Every model

Export