What color is #512BDB?

#512BDB is a medium, vivid indigo. In RGB it is rgb(81, 43, 219), and in HSL hsl(253, 71%, 51%).

Is #512BDB accessible as text?

On white, #512BDB has a contrast ratio of 7.73:1 (passes WCAG AA for body text); on black it is 2.72:1 (fails). For text placed on #512BDB, use white for the best readability.

What is the closest Tailwind color to #512BDB?

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

What colors go well with #512BDB?

#512BDB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B4DB29. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #512BDB below.

Is #512BDB good for buttons?

#512BDB works well for buttons and highlights, but use white text on #512BDB — black text only reaches 2.72:1, below the 4.5:1 needed for normal-size labels.

Is #512BDB the same as CSS slateblue?

No — #512BDB is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#512BDB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #512BDB

Not just a swatch — here's how #512BDB works with other colors. Named schemes with #512BDB in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #512BDB Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #6E60F8

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 #512BDB Surface #F5E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #332B2F

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 #512BDB Secondary #7A7DB5 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 #512BDB Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

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 #512BDB Secondary #E86A70 Accent #F5934D 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 #512BDB 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 19/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 59/100

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 10/100

Very low

Clean and current — no dusty, aged cast.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 94/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 61/100

High

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

Surface fit 10/100

Very low

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

Print safety 64/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #512BDB

For UI

For branding

For interior

For fashion

People also use #512BDB with

Signal Blue Dark Orchid Pear 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 7.7:1. Use

Subtle surface Use #DFD9F3 for cards and hover fills. Tint 80

Avoid beside #8B29DB — 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 #512BDB 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: #512BDB;
  --color-base-rgb: 81 43 219;
  --color-base-oklch: oklch(46.9% 0.243 281.5);
  --color-50: #F4F1FD;
  --color-100: #E2DBFA;
  --color-200: #C6B9F3;
  --color-300: #9E8AE5;
  --color-400: #785ED4;
  --color-500: #573CB9;
  --color-600: #48358D;
  --color-700: #372B64;
  --color-800: #271F42;
  --color-900: #191528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  han-purple: {
    50: '#F4F1FD',
    100: '#E2DBFA',
    200: '#C6B9F3',
    300: '#9E8AE5',
    400: '#785ED4',
    500: '#573CB9',
    600: '#48358D',
    700: '#372B64',
    800: '#271F42',
    900: '#191528',
  },
}

$base: #512BDB;
$base-ink: #FFFFFF;
$base-50: #F4F1FD;
$base-100: #E2DBFA;
$base-200: #C6B9F3;
$base-300: #9E8AE5;
$base-400: #785ED4;
$base-500: #573CB9;
$base-600: #48358D;
$base-700: #372B64;
$base-800: #271F42;
$base-900: #191528;
$base-hover: #3E1EB2;
$base-subtle: #CEC5EE;

{
    "color": {
        "base": {
            "value": "#512BDB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F1FD",
                "type": "color"
            },
            "100": {
                "value": "#E2DBFA",
                "type": "color"
            },
            "200": {
                "value": "#C6B9F3",
                "type": "color"
            },
            "300": {
                "value": "#9E8AE5",
                "type": "color"
            },
            "400": {
                "value": "#785ED4",
                "type": "color"
            },
            "500": {
                "value": "#573CB9",
                "type": "color"
            },
            "600": {
                "value": "#48358D",
                "type": "color"
            },
            "700": {
                "value": "#372B64",
                "type": "color"
            },
            "800": {
                "value": "#271F42",
                "type": "color"
            },
            "900": {
                "value": "#191528",
                "type": "color"
            }
        }
    }
}

Palettes built on #512BDB

Color Lab

Pairs with #512BDB

UI roles & guardrails

In real applications

Scales

Every model

Export