What color is #6407BB?

#6407BB is a dark, vivid violet. In RGB it is rgb(100, 7, 187), and in HSL hsl(271, 93%, 38%).

Is #6407BB accessible as text?

On white, #6407BB has a contrast ratio of 9.17:1 (passes WCAG AA for body text); on black it is 2.29:1 (fails). For text placed on #6407BB, use white for the best readability.

What is the closest Tailwind color to #6407BB?

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

What colors go well with #6407BB?

#6407BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5EBB07. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6407BB below.

Is #6407BB good for buttons?

#6407BB works well for buttons and highlights, but use white text on #6407BB — black text only reaches 2.29:1, below the 4.5:1 needed for normal-size labels.

Is #6407BB the same as CSS rebeccapurple?

No — #6407BB is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#6407BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6407BB

Not just a swatch — here's how #6407BB works with other colors. Named schemes with #6407BB in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #6407BB Surface #F5E6D7 Anchor #5C2140 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 #6407BB Surface #14161A Highlight #F4F6F8 Secondary #5B6572 Accent #834BD9

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 #6407BB Secondary #7D6EA2 Support #9C9088 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 #6407BB Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

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 #6407BB Secondary #E86B6C Accent #F49449 Anchor #583A56 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 #6407BB 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 31/100

Cool

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 62/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 14/100

Very low

Clean and current — no dusty, aged cast.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 89/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 61/100

High

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

Surface fit 12/100

Very low

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

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6407BB

For UI

For branding

For interior

For fashion

People also use #6407BB with

Medium Blue Byzantine Kelly 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 9.2:1. Use

Subtle surface Use #E0CAF5 for cards and hover fills. Tint 80

Avoid beside #A007BB — 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 #6407BB 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: #6407BB;
  --color-base-rgb: 100 7 187;
  --color-base-oklch: oklch(43.2% 0.230 297.1);
  --color-50: #F8F0FE;
  --color-100: #EBD8FD;
  --color-200: #D7B1FC;
  --color-300: #BA7CF4;
  --color-400: #9C4CE6;
  --color-500: #7D29CC;
  --color-600: #63279B;
  --color-700: #49226D;
  --color-800: #311A47;
  --color-900: #1F122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  grape: {
    50: '#F8F0FE',
    100: '#EBD8FD',
    200: '#D7B1FC',
    300: '#BA7CF4',
    400: '#9C4CE6',
    500: '#7D29CC',
    600: '#63279B',
    700: '#49226D',
    800: '#311A47',
    900: '#1F122B',
  },
}

$base: #6407BB;
$base-ink: #FFFFFF;
$base-50: #F8F0FE;
$base-100: #EBD8FD;
$base-200: #D7B1FC;
$base-300: #BA7CF4;
$base-400: #9C4CE6;
$base-500: #7D29CC;
$base-600: #63279B;
$base-700: #49226D;
$base-800: #311A47;
$base-900: #1F122B;
$base-hover: #500596;
$base-subtle: #D1AEF1;

{
    "color": {
        "base": {
            "value": "#6407BB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F0FE",
                "type": "color"
            },
            "100": {
                "value": "#EBD8FD",
                "type": "color"
            },
            "200": {
                "value": "#D7B1FC",
                "type": "color"
            },
            "300": {
                "value": "#BA7CF4",
                "type": "color"
            },
            "400": {
                "value": "#9C4CE6",
                "type": "color"
            },
            "500": {
                "value": "#7D29CC",
                "type": "color"
            },
            "600": {
                "value": "#63279B",
                "type": "color"
            },
            "700": {
                "value": "#49226D",
                "type": "color"
            },
            "800": {
                "value": "#311A47",
                "type": "color"
            },
            "900": {
                "value": "#1F122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #6407BB

Color Lab

Pairs with #6407BB

UI roles & guardrails

In real applications

Scales

Every model

Export