What color is #301366?

#301366 is a dark violet. In RGB it is rgb(48, 19, 102), and in HSL hsl(261, 69%, 24%).

Is #301366 accessible as text?

On white, #301366 has a contrast ratio of 14.89:1 (passes WCAG AA for body text); on black it is 1.41:1 (fails). For text placed on #301366, use white for the best readability.

What is the closest Tailwind color to #301366?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #301366?

#301366 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4A6713. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #301366 below.

Is #301366 good for buttons?

#301366 works well for buttons and highlights, but use white text on #301366 — black text only reaches 1.41:1, below the 4.5:1 needed for normal-size labels.

Is #301366 the same as CSS midnightblue?

No — #301366 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.

#301366 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #301366

Not just a swatch — here's how #301366 works with other colors. Named schemes with #301366 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #301366 Anchor #141210 Accent #DA9857 Secondary #292732 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 #301366 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #1B002C

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 #301366 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

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 #301366 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 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 #301366 Secondary #504B68 Support #9D9088 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 #301366 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

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 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 37/100

Low

Workable accent with care around contrast.

Surface fit 26/100

Low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #301366

For UI

For branding

For interior

For fashion

People also use #301366 with

Egyptian Blue Byzantium Dark Olive Green Gainsboro Russian Violet

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 14.9:1. Use

Subtle surface Use #D2C5EB for cards and hover fills. Tint 80

Avoid beside #4D1367 — 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 #301366 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: #301366;
  --color-base-rgb: 48 19 102;
  --color-base-oklch: oklch(29.0% 0.133 291.7);
  --color-50: #F6F2FD;
  --color-100: #E6DCF9;
  --color-200: #CEBAF2;
  --color-300: #AA8BE4;
  --color-400: #8860D2;
  --color-500: #683EB7;
  --color-600: #54368C;
  --color-700: #3F2C63;
  --color-800: #2B2041;
  --color-900: #1C1528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F6F2FD',
    100: '#E6DCF9',
    200: '#CEBAF2',
    300: '#AA8BE4',
    400: '#8860D2',
    500: '#683EB7',
    600: '#54368C',
    700: '#3F2C63',
    800: '#2B2041',
    900: '#1C1528',
  },
}

$base: #301366;
$base-ink: #FFFFFF;
$base-50: #F6F2FD;
$base-100: #E6DCF9;
$base-200: #CEBAF2;
$base-300: #AA8BE4;
$base-400: #8860D2;
$base-500: #683EB7;
$base-600: #54368C;
$base-700: #3F2C63;
$base-800: #2B2041;
$base-900: #1C1528;
$base-hover: #270F53;
$base-subtle: #BCA6E3;

{
    "color": {
        "base": {
            "value": "#301366",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E6DCF9",
                "type": "color"
            },
            "200": {
                "value": "#CEBAF2",
                "type": "color"
            },
            "300": {
                "value": "#AA8BE4",
                "type": "color"
            },
            "400": {
                "value": "#8860D2",
                "type": "color"
            },
            "500": {
                "value": "#683EB7",
                "type": "color"
            },
            "600": {
                "value": "#54368C",
                "type": "color"
            },
            "700": {
                "value": "#3F2C63",
                "type": "color"
            },
            "800": {
                "value": "#2B2041",
                "type": "color"
            },
            "900": {
                "value": "#1C1528",
                "type": "color"
            }
        }
    }
}