What color is #37037C?

#37037C is a dark, vivid violet. In RGB it is rgb(55, 3, 124), and in HSL hsl(266, 95%, 25%).

Is #37037C accessible as text?

On white, #37037C has a contrast ratio of 14.32:1 (passes WCAG AA for body text); on black it is 1.47:1 (fails). For text placed on #37037C, use white for the best readability.

What is the closest Tailwind color to #37037C?

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

What colors go well with #37037C?

#37037C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #487C03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37037C below.

Is #37037C good for buttons?

#37037C works well for buttons and highlights, but use white text on #37037C — black text only reaches 1.47:1, below the 4.5:1 needed for normal-size labels.

Is #37037C the same as CSS indigo?

No — #37037C is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#37037C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37037C

Not just a swatch — here's how #37037C works with other colors. Named schemes with #37037C in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #37037C Anchor #141210 Accent #DA9757 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 #37037C Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #23003A

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 #37037C Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

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 #37037C 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 #37037C Secondary #554F74 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.

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Color Lab

How #37037C 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 26/100

Cool

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

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 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 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 66/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 41/100

Moderate

Workable accent with care around contrast.

Surface fit 20/100

Very low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #37037C

For UI

For branding

For interior

For fashion

People also use #37037C with

Zaffre Purple Dark Olive 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 14.3:1. Use

Subtle surface Use #D5BFF3 for cards and hover fills. Tint 80

Avoid beside #60037C — 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 #37037C 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

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Export

:root {
  --color-base: #37037C;
  --color-base-rgb: 55 3 124;
  --color-base-oklch: oklch(30.8% 0.170 291.2);
  --color-50: #F6F0FE;
  --color-100: #E8D8FD;
  --color-200: #D1B1FC;
  --color-300: #AF7AF5;
  --color-400: #8F4AE8;
  --color-500: #6F27CE;
  --color-600: #59269C;
  --color-700: #42216E;
  --color-800: #2D1A47;
  --color-900: #1D122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F6F0FE',
    100: '#E8D8FD',
    200: '#D1B1FC',
    300: '#AF7AF5',
    400: '#8F4AE8',
    500: '#6F27CE',
    600: '#59269C',
    700: '#42216E',
    800: '#2D1A47',
    900: '#1D122B',
  },
}

$base: #37037C;
$base-ink: #FFFFFF;
$base-50: #F6F0FE;
$base-100: #E8D8FD;
$base-200: #D1B1FC;
$base-300: #AF7AF5;
$base-400: #8F4AE8;
$base-500: #6F27CE;
$base-600: #59269C;
$base-700: #42216E;
$base-800: #2D1A47;
$base-900: #1D122B;
$base-hover: #2D0363;
$base-subtle: #C09CEF;

{
    "color": {
        "base": {
            "value": "#37037C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E8D8FD",
                "type": "color"
            },
            "200": {
                "value": "#D1B1FC",
                "type": "color"
            },
            "300": {
                "value": "#AF7AF5",
                "type": "color"
            },
            "400": {
                "value": "#8F4AE8",
                "type": "color"
            },
            "500": {
                "value": "#6F27CE",
                "type": "color"
            },
            "600": {
                "value": "#59269C",
                "type": "color"
            },
            "700": {
                "value": "#42216E",
                "type": "color"
            },
            "800": {
                "value": "#2D1A47",
                "type": "color"
            },
            "900": {
                "value": "#1D122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #37037C

Color Lab

Pairs with #37037C

UI roles & guardrails

In real applications

Scales

Every model

Export