What color is #6310BC?

#6310BC is a medium, vivid violet. In RGB it is rgb(99, 16, 188), and in HSL hsl(269, 84%, 40%).

Is #6310BC accessible as text?

On white, #6310BC has a contrast ratio of 9.01:1 (passes WCAG AA for body text); on black it is 2.33:1 (fails). For text placed on #6310BC, use white for the best readability.

What is the closest Tailwind color to #6310BC?

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

What colors go well with #6310BC?

#6310BC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #69BC10. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6310BC below.

Is #6310BC good for buttons?

#6310BC works well for buttons and highlights, but use white text on #6310BC — black text only reaches 2.33:1, below the 4.5:1 needed for normal-size labels.

Is #6310BC the same as CSS rebeccapurple?

No — #6310BC is not the CSS named color rebeccapurple, but rebeccapurple (#663399) is the closest CSS named color.

#6310BC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6310BC

Not just a swatch — here's how #6310BC works with other colors. Named schemes with #6310BC in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #6310BC Surface #F5E5D7 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 #6310BC Surface #14161A Highlight #F4F6F8 Secondary #5B6572 Accent #824DDA

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 #6310BC Secondary #7D6FA3 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 #6310BC 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 #6310BC 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 #6310BC 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 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 62/100

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 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 88/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 63/100

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 #6310BC

For UI

For branding

For interior

For fashion

People also use #6310BC with

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 9.0:1. Use

Subtle surface Use #E0CEF3 for cards and hover fills. Tint 80

Avoid beside #9C10BC — 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 #6310BC 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: #6310BC;
  --color-base-rgb: 99 16 188;
  --color-base-oklch: oklch(43.5% 0.228 296.1);
  --color-50: #F7F0FE;
  --color-100: #EAD8FD;
  --color-200: #D5B4F8;
  --color-300: #B681EE;
  --color-400: #9753DF;
  --color-500: #7830C4;
  --color-600: #5F2D95;
  --color-700: #462569;
  --color-800: #301C45;
  --color-900: #1E132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  grape: {
    50: '#F7F0FE',
    100: '#EAD8FD',
    200: '#D5B4F8',
    300: '#B681EE',
    400: '#9753DF',
    500: '#7830C4',
    600: '#5F2D95',
    700: '#462569',
    800: '#301C45',
    900: '#1E132A',
  },
}

$base: #6310BC;
$base-ink: #FFFFFF;
$base-50: #F7F0FE;
$base-100: #EAD8FD;
$base-200: #D5B4F8;
$base-300: #B681EE;
$base-400: #9753DF;
$base-500: #7830C4;
$base-600: #5F2D95;
$base-700: #462569;
$base-800: #301C45;
$base-900: #1E132A;
$base-hover: #4F0D96;
$base-subtle: #D0B4EE;

{
    "color": {
        "base": {
            "value": "#6310BC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F0FE",
                "type": "color"
            },
            "100": {
                "value": "#EAD8FD",
                "type": "color"
            },
            "200": {
                "value": "#D5B4F8",
                "type": "color"
            },
            "300": {
                "value": "#B681EE",
                "type": "color"
            },
            "400": {
                "value": "#9753DF",
                "type": "color"
            },
            "500": {
                "value": "#7830C4",
                "type": "color"
            },
            "600": {
                "value": "#5F2D95",
                "type": "color"
            },
            "700": {
                "value": "#462569",
                "type": "color"
            },
            "800": {
                "value": "#301C45",
                "type": "color"
            },
            "900": {
                "value": "#1E132A",
                "type": "color"
            }
        }
    }
}

Palettes built on #6310BC

Color Lab

Pairs with #6310BC

UI roles & guardrails

In real applications

Scales

Every model

Export