What color is #9951EC?

#9951EC is a light, vivid violet. In RGB it is rgb(153, 81, 236), and in HSL hsl(268, 80%, 62%).

Is #9951EC accessible as text?

On white, #9951EC has a contrast ratio of 4.43:1 (fails WCAG AA for body text); on black it is 4.74:1 (passes). For text placed on #9951EC, use black for the best readability.

What is the closest Tailwind color to #9951EC?

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

What colors go well with #9951EC?

#9951EC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A3EC51. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #9951EC below.

Is #9951EC good for buttons?

#9951EC works well for buttons and highlights, but use black text on #9951EC — white text only reaches 4.43:1, below the 4.5:1 needed for normal-size labels.

Is #9951EC the same as CSS mediumslateblue?

No — #9951EC 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.

#9951EC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #9951EC

Not just a swatch — here's how #9951EC works with other colors. Named schemes with #9951EC in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #9951EC Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 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 #9951EC Surface #14161A Highlight #F4F6F8 Secondary #5C6572 Accent #BB7FFF

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 #9951EC Secondary #B29FD4 Support #9C9088 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 #9951EC Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

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 #9951EC Secondary #E86B6B Accent #F49448 Anchor #593A56 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 #9951EC 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 34/100

Cool

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

Softness 34/100

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 19/100

Very low

Clean and current — no dusty, aged cast.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 86/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 70/100

High

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

Surface fit 17/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #9951EC

For UI

For branding

For interior

For fashion

People also use #9951EC with

Cornflower Blue Fuchsia Light Green Gainsboro Onyx

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 4.4:1. Use

Subtle surface Use #EBE0F7 for cards and hover fills. Tint 80

Avoid beside #CD51EC — 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 #9951EC 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: #9951EC;
  --color-base-rgb: 153 81 236;
  --color-base-oklch: oklch(59.8% 0.223 301.2);
  --color-50: #F7F1FE;
  --color-100: #E9D9FC;
  --color-200: #D4B6F7;
  --color-300: #B484EB;
  --color-400: #9557DB;
  --color-500: #7634C1;
  --color-600: #5E2F93;
  --color-700: #452768;
  --color-800: #2F1D44;
  --color-900: #1E1429;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F7F1FE',
    100: '#E9D9FC',
    200: '#D4B6F7',
    300: '#B484EB',
    400: '#9557DB',
    500: '#7634C1',
    600: '#5E2F93',
    700: '#452768',
    800: '#2F1D44',
    900: '#1E1429',
  },
}

$base: #9951EC;
$base-ink: #141310;
$base-50: #F7F1FE;
$base-100: #E9D9FC;
$base-200: #D4B6F7;
$base-300: #B484EB;
$base-400: #9557DB;
$base-500: #7634C1;
$base-600: #5E2F93;
$base-700: #452768;
$base-800: #2F1D44;
$base-900: #1E1429;
$base-hover: #7819E4;
$base-subtle: #E1D0F4;

{
    "color": {
        "base": {
            "value": "#9951EC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E9D9FC",
                "type": "color"
            },
            "200": {
                "value": "#D4B6F7",
                "type": "color"
            },
            "300": {
                "value": "#B484EB",
                "type": "color"
            },
            "400": {
                "value": "#9557DB",
                "type": "color"
            },
            "500": {
                "value": "#7634C1",
                "type": "color"
            },
            "600": {
                "value": "#5E2F93",
                "type": "color"
            },
            "700": {
                "value": "#452768",
                "type": "color"
            },
            "800": {
                "value": "#2F1D44",
                "type": "color"
            },
            "900": {
                "value": "#1E1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #9951EC

Color Lab

Pairs with #9951EC

UI roles & guardrails

In real applications

Scales

Every model

Export