What color is #9963FA?

#9963FA is a light, vivid violet. In RGB it is rgb(153, 99, 250), and in HSL hsl(261, 94%, 68%).

Is #9963FA accessible as text?

On white, #9963FA has a contrast ratio of 3.80:1 (fails WCAG AA for body text); on black it is 5.52:1 (passes). For text placed on #9963FA, use black for the best readability.

What is the closest Tailwind color to #9963FA?

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

What colors go well with #9963FA?

#9963FA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C4FA61. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #9963FA below.

Is #9963FA good for buttons?

#9963FA works well for buttons and highlights, but use black text on #9963FA — white text only reaches 3.80:1, below the 4.5:1 needed for normal-size labels.

Is #9963FA the same as CSS mediumslateblue?

No — #9963FA 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.

#9963FA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #9963FA

Not just a swatch — here's how #9963FA works with other colors. Named schemes with #9963FA in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #9963FA Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

Medium Slate Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Berry & Cream Lead · 5 colors

Lead #9963FA Surface #F5E5D7 Anchor #5C2140 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 #9963FA Surface #14161A Highlight #F4F6F8 Secondary #5B6572 Accent #BB90FF

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 #9963FA Secondary #B9ABE0 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.

Sunset Warmth Glow · 5 colors

Glow #9963FA Secondary #E86B6C Accent #F49449 Anchor #583A56 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 #9963FA 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 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 40/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 83/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 67/100

High

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

Surface fit 20/100

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 #9963FA

For UI

For branding

For interior

For fashion

People also use #9963FA with

Cornflower Blue 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 4.9:1. Use

Subtle surface Use #EBE4FA for cards and hover fills. Tint 80

Avoid beside #CA61FA — 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 #9963FA at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

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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: #9963FA;
  --color-base-rgb: 153 99 250;
  --color-base-oklch: oklch(63.2% 0.215 296.1);
  --color-50: #F5F0FE;
  --color-100: #E5D8FD;
  --color-200: #CBB1FC;
  --color-300: #A57BF4;
  --color-400: #824BE7;
  --color-500: #6228CD;
  --color-600: #4F269B;
  --color-700: #3C216D;
  --color-800: #2A1A47;
  --color-900: #1B122B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F5F0FE',
    100: '#E5D8FD',
    200: '#CBB1FC',
    300: '#A57BF4',
    400: '#824BE7',
    500: '#6228CD',
    600: '#4F269B',
    700: '#3C216D',
    800: '#2A1A47',
    900: '#1B122B',
  },
}

$base: #9963FA;
$base-ink: #141310;
$base-50: #F5F0FE;
$base-100: #E5D8FD;
$base-200: #CBB1FC;
$base-300: #A57BF4;
$base-400: #824BE7;
$base-500: #6228CD;
$base-600: #4F269B;
$base-700: #3C216D;
$base-800: #2A1A47;
$base-900: #1B122B;
$base-hover: #6A1DF8;
$base-subtle: #E1D5F8;

{
    "color": {
        "base": {
            "value": "#9963FA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E5D8FD",
                "type": "color"
            },
            "200": {
                "value": "#CBB1FC",
                "type": "color"
            },
            "300": {
                "value": "#A57BF4",
                "type": "color"
            },
            "400": {
                "value": "#824BE7",
                "type": "color"
            },
            "500": {
                "value": "#6228CD",
                "type": "color"
            },
            "600": {
                "value": "#4F269B",
                "type": "color"
            },
            "700": {
                "value": "#3C216D",
                "type": "color"
            },
            "800": {
                "value": "#2A1A47",
                "type": "color"
            },
            "900": {
                "value": "#1B122B",
                "type": "color"
            }
        }
    }
}