What color is #855ED9?

#855ED9 is a medium indigo. In RGB it is rgb(133, 94, 217), and in HSL hsl(259, 62%, 61%).

Is #855ED9 accessible as text?

On white, #855ED9 has a contrast ratio of 4.56:1 (passes WCAG AA for body text); on black it is 4.60:1 (passes). For text placed on #855ED9, use black for the best readability.

What is the closest Tailwind color to #855ED9?

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

What colors go well with #855ED9?

#855ED9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B2D95E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #855ED9 below.

Is #855ED9 good for buttons?

#855ED9 works for buttons; black text has the higher contrast, so prefer it for labels.

Is #855ED9 the same as CSS mediumslateblue?

No — #855ED9 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.

#855ED9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #855ED9

Not just a swatch — here's how #855ED9 works with other colors. Named schemes with #855ED9 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #855ED9 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.

Coastal Morning Lead · 5 colors

Lead #855ED9 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.

Vintage Leather Lead · 5 colors

Lead #855ED9 Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

Medium Slate Blue 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 #855ED9 Anchor #3B2923 Surface #F3E1D1 Accent #749F7D Secondary #3C3734

Medium Slate Blue 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 #855ED9 Secondary #A89ECA 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.

Build a working theme in the generator →

Color Lab

How #855ED9 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 29/100

Cool

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 89/100

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 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #855ED9

For UI

For branding

For interior

For fashion

People also use #855ED9 with

Cornflower Blue Medium Orchid Yellow Green Gainsboro Russian Violet

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 4.6:1. Use

Subtle surface Use #E8E2F4 for cards and hover fills. Tint 80

Avoid beside #AE5ED9 — 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 #855ED9 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #855ED9;
  --color-base-rgb: 133 94 217;
  --color-base-oklch: oklch(58.3% 0.181 294.8);
  --color-50: #F5F2FD;
  --color-100: #E6DDF8;
  --color-200: #CDBDEF;
  --color-300: #A990E0;
  --color-400: #8666CC;
  --color-500: #6644B1;
  --color-600: #533A87;
  --color-700: #3E2E60;
  --color-800: #2B223F;
  --color-900: #1C1627;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F5F2FD',
    100: '#E6DDF8',
    200: '#CDBDEF',
    300: '#A990E0',
    400: '#8666CC',
    500: '#6644B1',
    600: '#533A87',
    700: '#3E2E60',
    800: '#2B223F',
    900: '#1C1627',
  },
}

$base: #855ED9;
$base-ink: #141310;
$base-50: #F5F2FD;
$base-100: #E6DDF8;
$base-200: #CDBDEF;
$base-300: #A990E0;
$base-400: #8666CC;
$base-500: #6644B1;
$base-600: #533A87;
$base-700: #3E2E60;
$base-800: #2B223F;
$base-900: #1C1627;
$base-hover: #602FCA;
$base-subtle: #DCD3EF;

{
    "color": {
        "base": {
            "value": "#855ED9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E6DDF8",
                "type": "color"
            },
            "200": {
                "value": "#CDBDEF",
                "type": "color"
            },
            "300": {
                "value": "#A990E0",
                "type": "color"
            },
            "400": {
                "value": "#8666CC",
                "type": "color"
            },
            "500": {
                "value": "#6644B1",
                "type": "color"
            },
            "600": {
                "value": "#533A87",
                "type": "color"
            },
            "700": {
                "value": "#3E2E60",
                "type": "color"
            },
            "800": {
                "value": "#2B223F",
                "type": "color"
            },
            "900": {
                "value": "#1C1627",
                "type": "color"
            }
        }
    }
}

Palettes built on #855ED9

Color Lab

Pairs with #855ED9

UI roles & guardrails

In real applications

Scales

Every model

Export