What color is #640DC7?

#640DC7 is a medium, vivid violet. In RGB it is rgb(100, 13, 199), and in HSL hsl(268, 88%, 42%).

Is #640DC7 accessible as text?

On white, #640DC7 has a contrast ratio of 8.66:1 (passes WCAG AA for body text); on black it is 2.42:1 (fails). For text placed on #640DC7, use white for the best readability.

What is the closest Tailwind color to #640DC7?

The nearest Tailwind CSS token is violet-800 (#5D0EC0).

What colors go well with #640DC7?

#640DC7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #71C90D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #640DC7 below.

Is #640DC7 good for buttons?

#640DC7 works well for buttons and highlights, but use white text on #640DC7 — black text only reaches 2.42:1, below the 4.5:1 needed for normal-size labels.

Is #640DC7 the same as CSS rebeccapurple?

No — #640DC7 is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#640DC7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #640DC7

Not just a swatch — here's how #640DC7 works with other colors. Named schemes with #640DC7 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #640DC7 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

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

Tech Product Signal · 5 colors

Signal #640DC7 Surface #14161A Highlight #F4F6F8 Secondary #5B6572 Accent #824FE5

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #640DC7 Secondary #7F72A9 Support #9D9088 Ink #18140F

Grape 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 Grape carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #640DC7 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Grape 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 #640DC7 Secondary #E86B6D Accent #F4944A Anchor #583B56 Surface #F7E7D7

Grape 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 #640DC7 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 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 61/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 11/100

Very low

Clean and current — no dusty, aged cast.

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 92/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 11/100

Very low

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

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #640DC7

For UI

For branding

For interior

For fashion

People also use #640DC7 with

Blue Byzantine Apple Green Gainsboro Onyx

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

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 8.7:1. Use

Subtle surface Use #E0CFF4 for cards and hover fills. Tint 80

Avoid beside #A40DC9 — 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 #640DC7 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: #640DC7;
  --color-base-rgb: 100 13 199;
  --color-base-oklch: oklch(44.6% 0.239 294.2);
  --color-50: #F7F0FE;
  --color-100: #E9D8FD;
  --color-200: #D4B2FA;
  --color-300: #B47FF0;
  --color-400: #9450E2;
  --color-500: #752DC8;
  --color-600: #5D2A98;
  --color-700: #45246B;
  --color-800: #2F1B46;
  --color-900: #1E132B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  grape: {
    50: '#F7F0FE',
    100: '#E9D8FD',
    200: '#D4B2FA',
    300: '#B47FF0',
    400: '#9450E2',
    500: '#752DC8',
    600: '#5D2A98',
    700: '#45246B',
    800: '#2F1B46',
    900: '#1E132B',
  },
}

$base: #640DC7;
$base-ink: #FFFFFF;
$base-50: #F7F0FE;
$base-100: #E9D8FD;
$base-200: #D4B2FA;
$base-300: #B47FF0;
$base-400: #9450E2;
$base-500: #752DC8;
$base-600: #5D2A98;
$base-700: #45246B;
$base-800: #2F1B46;
$base-900: #1E132B;
$base-hover: #510AA1;
$base-subtle: #D1B5F0;

{
    "color": {
        "base": {
            "value": "#640DC7",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E9D8FD",
                "type": "color"
            },
            "200": {
                "value": "#D4B2FA",
                "type": "color"
            },
            "300": {
                "value": "#B47FF0",
                "type": "color"
            },
            "400": {
                "value": "#9450E2",
                "type": "color"
            },
            "500": {
                "value": "#752DC8",
                "type": "color"
            },
            "600": {
                "value": "#5D2A98",
                "type": "color"
            },
            "700": {
                "value": "#45246B",
                "type": "color"
            },
            "800": {
                "value": "#2F1B46",
                "type": "color"
            },
            "900": {
                "value": "#1E132B",
                "type": "color"
            }
        }
    }
}

Palettes built on #640DC7

Color Lab

Pairs with #640DC7

UI roles & guardrails

In real applications

Scales

Every model

Export