What color is #330B59?

#330B59 is a dark, vivid violet. In RGB it is rgb(51, 11, 89), and in HSL hsl(271, 78%, 20%).

Is #330B59 accessible as text?

On white, #330B59 has a contrast ratio of 15.76:1 (passes WCAG AA for body text); on black it is 1.33:1 (fails). For text placed on #330B59, use white for the best readability.

What is the closest Tailwind color to #330B59?

The nearest Tailwind CSS token is purple-950 (#3C0366).

What colors go well with #330B59?

#330B59 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #325B0B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #330B59 below.

Is #330B59 good for buttons?

#330B59 works well for buttons and highlights, but use white text on #330B59 — black text only reaches 1.33:1, below the 4.5:1 needed for normal-size labels.

Is #330B59 the same as CSS midnightblue?

No — #330B59 is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#330B59 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #330B59

Not just a swatch — here's how #330B59 works with other colors. Named schemes with #330B59 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #330B59 Anchor #141210 Accent #DA9855 Secondary #2A2731 Surface #F3ECE3

Russian Violet carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #330B59 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #1A0022

Russian Violet adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Russian Violet.

Coastal Morning Lead · 5 colors

Lead #330B59 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Russian Violet opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Berry & Cream Lead · 5 colors

Lead #330B59 Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #330B59 Secondary #4F455F Support #9C9088 Ink #18140F

Russian Violet 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 Russian Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #330B59 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 38/100

Cool

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 29/100

Low

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

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #330B59

For UI

For branding

For interior

For fashion

People also use #330B59 with

Phthalo Blue Tyrian Purple Army 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 15.8:1. Use

Subtle surface Use #D7BFED for cards and hover fills. Tint 80

Avoid beside #4F0B5B — 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 #330B59 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: #330B59;
  --color-base-rgb: 51 11 89;
  --color-base-oklch: oklch(27.2% 0.127 301.1);
  --color-50: #F8F1FE;
  --color-100: #EBDAFB;
  --color-200: #D7B6F6;
  --color-300: #B985EA;
  --color-400: #9B58DA;
  --color-500: #7D36BF;
  --color-600: #633091;
  --color-700: #482867;
  --color-800: #311E43;
  --color-900: #1F1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F8F1FE',
    100: '#EBDAFB',
    200: '#D7B6F6',
    300: '#B985EA',
    400: '#9B58DA',
    500: '#7D36BF',
    600: '#633091',
    700: '#482867',
    800: '#311E43',
    900: '#1F1429',
  },
}

$base: #330B59;
$base-ink: #FFFFFF;
$base-50: #F8F1FE;
$base-100: #EBDAFB;
$base-200: #D7B6F6;
$base-300: #B985EA;
$base-400: #9B58DA;
$base-500: #7D36BF;
$base-600: #633091;
$base-700: #482867;
$base-800: #311E43;
$base-900: #1F1429;
$base-hover: #2A0949;
$base-subtle: #C39EE6;

{
    "color": {
        "base": {
            "value": "#330B59",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F1FE",
                "type": "color"
            },
            "100": {
                "value": "#EBDAFB",
                "type": "color"
            },
            "200": {
                "value": "#D7B6F6",
                "type": "color"
            },
            "300": {
                "value": "#B985EA",
                "type": "color"
            },
            "400": {
                "value": "#9B58DA",
                "type": "color"
            },
            "500": {
                "value": "#7D36BF",
                "type": "color"
            },
            "600": {
                "value": "#633091",
                "type": "color"
            },
            "700": {
                "value": "#482867",
                "type": "color"
            },
            "800": {
                "value": "#311E43",
                "type": "color"
            },
            "900": {
                "value": "#1F1429",
                "type": "color"
            }
        }
    }
}