What color is #370D71?

#370D71 is a dark, vivid violet. In RGB it is rgb(55, 13, 113), and in HSL hsl(265, 79%, 25%).

Is #370D71 accessible as text?

On white, #370D71 has a contrast ratio of 14.40:1 (passes WCAG AA for body text); on black it is 1.46:1 (fails). For text placed on #370D71, use white for the best readability.

What is the closest Tailwind color to #370D71?

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

What colors go well with #370D71?

#370D71 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #48720D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #370D71 below.

Is #370D71 good for buttons?

#370D71 works well for buttons and highlights, but use white text on #370D71 — black text only reaches 1.46:1, below the 4.5:1 needed for normal-size labels.

Is #370D71 the same as CSS indigo?

No — #370D71 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#370D71 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #370D71

Not just a swatch — here's how #370D71 works with other colors. Named schemes with #370D71 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #370D71 Anchor #141210 Accent #DA9856 Secondary #292732 Surface #F3ECE3

Indigo 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 #370D71 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #210033

Indigo 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 Indigo.

Coastal Morning Lead · 5 colors

Lead #370D71 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Indigo 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 #370D71 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

Indigo 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 #370D71 Secondary #554E6E Support #9D9088 Ink #18140F

Indigo 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 Indigo carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #370D71 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 59/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 41/100

Moderate

Workable accent with care around contrast.

Surface fit 20/100

Low

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

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #370D71

For UI

For branding

For interior

For fashion

People also use #370D71 with

Klein Blue Purple 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 14.4:1. Use

Subtle surface Use #D5C3EF for cards and hover fills. Tint 80

Avoid beside #590D72 — 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 #370D71 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: #370D71;
  --color-base-rgb: 55 13 113;
  --color-base-oklch: oklch(30.3% 0.152 293.9);
  --color-50: #F6F1FE;
  --color-100: #E8DAFC;
  --color-200: #D1B6F6;
  --color-300: #AF85EB;
  --color-400: #8E58DA;
  --color-500: #6F35C0;
  --color-600: #593092;
  --color-700: #422867;
  --color-800: #2D1D43;
  --color-900: #1D1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F6F1FE',
    100: '#E8DAFC',
    200: '#D1B6F6',
    300: '#AF85EB',
    400: '#8E58DA',
    500: '#6F35C0',
    600: '#593092',
    700: '#422867',
    800: '#2D1D43',
    900: '#1D1429',
  },
}

$base: #370D71;
$base-ink: #FFFFFF;
$base-50: #F6F1FE;
$base-100: #E8DAFC;
$base-200: #D1B6F6;
$base-300: #AF85EB;
$base-400: #8E58DA;
$base-500: #6F35C0;
$base-600: #593092;
$base-700: #422867;
$base-800: #2D1D43;
$base-900: #1D1429;
$base-hover: #2C0B5B;
$base-subtle: #C0A3E8;

{
    "color": {
        "base": {
            "value": "#370D71",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E8DAFC",
                "type": "color"
            },
            "200": {
                "value": "#D1B6F6",
                "type": "color"
            },
            "300": {
                "value": "#AF85EB",
                "type": "color"
            },
            "400": {
                "value": "#8E58DA",
                "type": "color"
            },
            "500": {
                "value": "#6F35C0",
                "type": "color"
            },
            "600": {
                "value": "#593092",
                "type": "color"
            },
            "700": {
                "value": "#422867",
                "type": "color"
            },
            "800": {
                "value": "#2D1D43",
                "type": "color"
            },
            "900": {
                "value": "#1D1429",
                "type": "color"
            }
        }
    }
}