What color is #8E66EA?

#8E66EA is a light, vivid indigo. In RGB it is rgb(142, 102, 234), and in HSL hsl(258, 76%, 66%).

Is #8E66EA accessible as text?

On white, #8E66EA has a contrast ratio of 4.01:1 (fails WCAG AA for body text); on black it is 5.24:1 (passes). For text placed on #8E66EA, use black for the best readability.

What is the closest Tailwind color to #8E66EA?

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

What colors go well with #8E66EA?

#8E66EA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C3EA66. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #8E66EA below.

Is #8E66EA good for buttons?

#8E66EA works well for buttons and highlights, but use black text on #8E66EA — white text only reaches 4.01:1, below the 4.5:1 needed for normal-size labels.

Is #8E66EA the same as CSS mediumslateblue?

No — #8E66EA is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#8E66EA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #8E66EA

Not just a swatch — here's how #8E66EA works with other colors. Named schemes with #8E66EA in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #8E66EA Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

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

Tech Product Signal · 5 colors

Signal #8E66EA Surface #14161A Highlight #F4F6F8 Secondary #5B6572 Accent #B190FF

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #8E66EA Secondary #B1A8D7 Support #9D9088 Ink #18140F

Medium Slate Blue 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 Medium Slate Blue carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #8E66EA Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Medium Slate Blue 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 #8E66EA Secondary #E86B6D Accent #F4944A Anchor #583B56 Surface #F7E7D7

Medium Slate Blue 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 #8E66EA 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 28/100

Cool

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

Softness 40/100

Low

Middle-weight — neither delicate nor heavy.

Depth 41/100

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 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 74/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 79/100

High

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

Surface fit 18/100

Very low

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

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #8E66EA

For UI

For branding

For interior

For fashion

People also use #8E66EA with

Iceberg Heliotrope Pear Gainsboro Russian Violet

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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

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

Background Pair with #141310 text at 4.6:1. Use

Subtle surface Use #EAE4F7 for cards and hover fills. Tint 80

Avoid beside #BA66EA — 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 #8E66EA at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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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: #8E66EA;
  --color-base-rgb: 142 102 234;
  --color-base-oklch: oklch(61.5% 0.191 294.0);
  --color-50: #F5F1FE;
  --color-100: #E4DAFB;
  --color-200: #CAB7F5;
  --color-300: #A487E9;
  --color-400: #805AD8;
  --color-500: #6037BD;
  --color-600: #4E3290;
  --color-700: #3B2966;
  --color-800: #291E43;
  --color-900: #1A1429;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F5F1FE',
    100: '#E4DAFB',
    200: '#CAB7F5',
    300: '#A487E9',
    400: '#805AD8',
    500: '#6037BD',
    600: '#4E3290',
    700: '#3B2966',
    800: '#291E43',
    900: '#1A1429',
  },
}

$base: #8E66EA;
$base-ink: #141310;
$base-50: #F5F1FE;
$base-100: #E4DAFB;
$base-200: #CAB7F5;
$base-300: #A487E9;
$base-400: #805AD8;
$base-500: #6037BD;
$base-600: #4E3290;
$base-700: #3B2966;
$base-800: #291E43;
$base-900: #1A1429;
$base-hover: #622BE2;
$base-subtle: #DFD6F4;

{
    "color": {
        "base": {
            "value": "#8E66EA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E4DAFB",
                "type": "color"
            },
            "200": {
                "value": "#CAB7F5",
                "type": "color"
            },
            "300": {
                "value": "#A487E9",
                "type": "color"
            },
            "400": {
                "value": "#805AD8",
                "type": "color"
            },
            "500": {
                "value": "#6037BD",
                "type": "color"
            },
            "600": {
                "value": "#4E3290",
                "type": "color"
            },
            "700": {
                "value": "#3B2966",
                "type": "color"
            },
            "800": {
                "value": "#291E43",
                "type": "color"
            },
            "900": {
                "value": "#1A1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #8E66EA

Color Lab

Pairs with #8E66EA

UI roles & guardrails

In real applications

Scales

Every model

Export