What color is #8166CC?

#8166CC is a medium indigo. In RGB it is rgb(129, 102, 204), and in HSL hsl(256, 50%, 60%).

Is #8166CC accessible as text?

On white, #8166CC has a contrast ratio of 4.46:1 (fails WCAG AA for body text); on black it is 4.71:1 (passes). For text placed on #8166CC, use black for the best readability.

What is the closest Tailwind color to #8166CC?

The nearest Tailwind CSS token is violet-500 (#8E51FF).

What colors go well with #8166CC?

#8166CC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B1CC66. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #8166CC below.

Is #8166CC good for buttons?

#8166CC works well for buttons and highlights, but use black text on #8166CC — white text only reaches 4.46:1, below the 4.5:1 needed for normal-size labels.

Is #8166CC the same as CSS mediumpurple?

No — #8166CC is not the CSS named color mediumpurple, but mediumpurple (#9370DB) is the closest CSS named color.

#8166CC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #8166CC

Not just a swatch — here's how #8166CC works with other colors. Named schemes with #8166CC in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #8166CC Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #8166CC Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Amethyst 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 #8166CC Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

Amethyst 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 #8166CC Anchor #3B2923 Surface #F3E1D1 Accent #749F7D Secondary #3C3734

Amethyst 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 #8166CC Secondary #A7A0C5 Support #9D9088 Ink #18140F

Amethyst 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 Amethyst carrying the quiet middle.

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Color Lab

How #8166CC 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 30/100

Cool

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

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 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 95/100

Very high

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

Surface fit 15/100

Very low

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

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #8166CC

For UI

For branding

For interior

For fashion

People also use #8166CC with

Iceberg Medium Orchid Pistachio Gainsboro Russian Violet

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.5:1. Use

Subtle surface Use #E7E3F2 for cards and hover fills. Tint 80

Avoid beside #A366CC — 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 #8166CC 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: #8166CC;
  --color-base-rgb: 129 102 204;
  --color-base-oklch: oklch(58.4% 0.152 293.3);
  --color-50: #F5F3FC;
  --color-100: #E6E0F5;
  --color-200: #CDC2EB;
  --color-300: #A997D8;
  --color-400: #8670C2;
  --color-500: #664EA6;
  --color-600: #524280;
  --color-700: #3E335C;
  --color-800: #2B243C;
  --color-900: #1B1825;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  amethyst: {
    50: '#F5F3FC',
    100: '#E6E0F5',
    200: '#CDC2EB',
    300: '#A997D8',
    400: '#8670C2',
    500: '#664EA6',
    600: '#524280',
    700: '#3E335C',
    800: '#2B243C',
    900: '#1B1825',
  },
}

$base: #8166CC;
$base-ink: #141310;
$base-50: #F5F3FC;
$base-100: #E6E0F5;
$base-200: #CDC2EB;
$base-300: #A997D8;
$base-400: #8670C2;
$base-500: #664EA6;
$base-600: #524280;
$base-700: #3E335C;
$base-800: #2B243C;
$base-900: #1B1825;
$base-hover: #5E3DB8;
$base-subtle: #DBD5EC;

{
    "color": {
        "base": {
            "value": "#8166CC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E6E0F5",
                "type": "color"
            },
            "200": {
                "value": "#CDC2EB",
                "type": "color"
            },
            "300": {
                "value": "#A997D8",
                "type": "color"
            },
            "400": {
                "value": "#8670C2",
                "type": "color"
            },
            "500": {
                "value": "#664EA6",
                "type": "color"
            },
            "600": {
                "value": "#524280",
                "type": "color"
            },
            "700": {
                "value": "#3E335C",
                "type": "color"
            },
            "800": {
                "value": "#2B243C",
                "type": "color"
            },
            "900": {
                "value": "#1B1825",
                "type": "color"
            }
        }
    }
}

Palettes built on #8166CC

Color Lab

Pairs with #8166CC

UI roles & guardrails

In real applications

Scales

Every model

Export