What color is #370D4E?

#370D4E is a dark, vivid violet. In RGB it is rgb(55, 13, 78), and in HSL hsl(279, 71%, 18%).

Is #370D4E accessible as text?

On white, #370D4E has a contrast ratio of 15.79:1 (passes WCAG AA for body text); on black it is 1.33:1 (fails). For text placed on #370D4E, use white for the best readability.

What is the closest Tailwind color to #370D4E?

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

What colors go well with #370D4E?

#370D4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #244E0D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #370D4E below.

Is #370D4E good for buttons?

#370D4E works well for buttons and highlights, but use white text on #370D4E — black text only reaches 1.33:1, below the 4.5:1 needed for normal-size labels.

Is #370D4E the same as CSS midnightblue?

No — #370D4E 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.

#370D4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #370D4E

Not just a swatch — here's how #370D4E works with other colors. Named schemes with #370D4E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #370D4E Anchor #141210 Accent #D99954 Secondary #2C2630 Surface #F3EDE3

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 #370D4E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #1B001B

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 #370D4E Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #24334B

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 #370D4E Surface #F5E6D7 Anchor #5C213F 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 #370D4E Secondary #51445A 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 #370D4E 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 44/100

Neutral

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

Softness 24/100

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 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

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

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 30/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #370D4E

For UI

For branding

For interior

For fashion

People also use #370D4E with

Midnight Blue Tyrian Purple Castleton 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 #DCC0EB for cards and hover fills. Tint 80

Avoid beside #4D0D4E — 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 #370D4E 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: #370D4E;
  --color-base-rgb: 55 13 78;
  --color-base-oklch: oklch(26.9% 0.113 310.2);
  --color-50: #F9F1FD;
  --color-100: #EFDBFA;
  --color-200: #DFB9F3;
  --color-300: #C58AE5;
  --color-400: #AB5ED4;
  --color-500: #8D3CB9;
  --color-600: #6E358D;
  --color-700: #502B64;
  --color-800: #361F42;
  --color-900: #211528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F9F1FD',
    100: '#EFDBFA',
    200: '#DFB9F3',
    300: '#C58AE5',
    400: '#AB5ED4',
    500: '#8D3CB9',
    600: '#6E358D',
    700: '#502B64',
    800: '#361F42',
    900: '#211528',
  },
}

$base: #370D4E;
$base-ink: #FFFFFF;
$base-50: #F9F1FD;
$base-100: #EFDBFA;
$base-200: #DFB9F3;
$base-300: #C58AE5;
$base-400: #AB5ED4;
$base-500: #8D3CB9;
$base-600: #6E358D;
$base-700: #502B64;
$base-800: #361F42;
$base-900: #211528;
$base-hover: #2D0B3F;
$base-subtle: #CA9EE2;

{
    "color": {
        "base": {
            "value": "#370D4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F1FD",
                "type": "color"
            },
            "100": {
                "value": "#EFDBFA",
                "type": "color"
            },
            "200": {
                "value": "#DFB9F3",
                "type": "color"
            },
            "300": {
                "value": "#C58AE5",
                "type": "color"
            },
            "400": {
                "value": "#AB5ED4",
                "type": "color"
            },
            "500": {
                "value": "#8D3CB9",
                "type": "color"
            },
            "600": {
                "value": "#6E358D",
                "type": "color"
            },
            "700": {
                "value": "#502B64",
                "type": "color"
            },
            "800": {
                "value": "#361F42",
                "type": "color"
            },
            "900": {
                "value": "#211528",
                "type": "color"
            }
        }
    }
}