What color is #331A4B?

#331A4B is a dark violet. In RGB it is rgb(51, 26, 75), and in HSL hsl(271, 49%, 20%).

Is #331A4B accessible as text?

On white, #331A4B has a contrast ratio of 15.11:1 (passes WCAG AA for body text); on black it is 1.39:1 (fails). For text placed on #331A4B, use white for the best readability.

What is the closest Tailwind color to #331A4B?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #331A4B?

#331A4B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #324C1A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #331A4B below.

Is #331A4B good for buttons?

#331A4B works well for buttons and highlights, but use white text on #331A4B — black text only reaches 1.39:1, below the 4.5:1 needed for normal-size labels.

Is #331A4B the same as CSS midnightblue?

No — #331A4B 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.

#331A4B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #331A4B

Not just a swatch — here's how #331A4B works with other colors. Named schemes with #331A4B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #331A4B 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.

Nordic Calm Accent · 5 colors

Accent #331A4B Secondary #AFB4B8 Surface #F1F2F0 Support #8092A7 Anchor #2E3236

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

Vintage Leather Lead · 5 colors

Lead #331A4B Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

Russian Violet plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Luxury Packaging Feature · 5 colors

Feature #331A4B Anchor #141210 Accent #D99855 Secondary #2B2631 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #331A4B Secondary #51495B 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 #331A4B 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 43/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 30/100

Low

Workable accent with care around contrast.

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #331A4B

For UI

For branding

For interior

For fashion

People also use #331A4B with

Midnight Blue Russian Violet 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 15.1:1. Use

Subtle surface Use #D7C8E5 for cards and hover fills. Tint 80

Avoid beside #441A4C — 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 #331A4B 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: #331A4B;
  --color-base-rgb: 51 26 75;
  --color-base-oklch: oklch(27.9% 0.089 304.8);
  --color-50: #F7F3FB;
  --color-100: #EBE0F5;
  --color-200: #D7C2EA;
  --color-300: #B998D7;
  --color-400: #9A70C2;
  --color-500: #7C4FA6;
  --color-600: #62427F;
  --color-700: #48345B;
  --color-800: #31253C;
  --color-900: #1F1825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F7F3FB',
    100: '#EBE0F5',
    200: '#D7C2EA',
    300: '#B998D7',
    400: '#9A70C2',
    500: '#7C4FA6',
    600: '#62427F',
    700: '#48345B',
    800: '#31253C',
    900: '#1F1825',
  },
}

$base: #331A4B;
$base-ink: #FFFFFF;
$base-50: #F7F3FB;
$base-100: #EBE0F5;
$base-200: #D7C2EA;
$base-300: #B998D7;
$base-400: #9A70C2;
$base-500: #7C4FA6;
$base-600: #62427F;
$base-700: #48345B;
$base-800: #31253C;
$base-900: #1F1825;
$base-hover: #29153D;
$base-subtle: #C3ABD9;

{
    "color": {
        "base": {
            "value": "#331A4B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F3FB",
                "type": "color"
            },
            "100": {
                "value": "#EBE0F5",
                "type": "color"
            },
            "200": {
                "value": "#D7C2EA",
                "type": "color"
            },
            "300": {
                "value": "#B998D7",
                "type": "color"
            },
            "400": {
                "value": "#9A70C2",
                "type": "color"
            },
            "500": {
                "value": "#7C4FA6",
                "type": "color"
            },
            "600": {
                "value": "#62427F",
                "type": "color"
            },
            "700": {
                "value": "#48345B",
                "type": "color"
            },
            "800": {
                "value": "#31253C",
                "type": "color"
            },
            "900": {
                "value": "#1F1825",
                "type": "color"
            }
        }
    }
}