What color is #550CA3?

#550CA3 is a dark, vivid violet. In RGB it is rgb(85, 12, 163), and in HSL hsl(269, 86%, 34%).

Is #550CA3 accessible as text?

On white, #550CA3 has a contrast ratio of 10.67:1 (passes WCAG AA for body text); on black it is 1.97:1 (fails). For text placed on #550CA3, use white for the best readability.

What is the closest Tailwind color to #550CA3?

The nearest Tailwind CSS token is violet-900 (#4D179A).

What colors go well with #550CA3?

#550CA3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #59A10C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #550CA3 below.

Is #550CA3 good for buttons?

#550CA3 works well for buttons and highlights, but use white text on #550CA3 — black text only reaches 1.97:1, below the 4.5:1 needed for normal-size labels.

Is #550CA3 the same as CSS indigo?

No — #550CA3 is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#550CA3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #550CA3

Not just a swatch — here's how #550CA3 works with other colors. Named schemes with #550CA3 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #550CA3 Surface #F5E5D7 Anchor #5C2140 Accent #E5C2C8 Secondary #332B2F

Indigo sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Tech Product Signal · 5 colors

Signal #550CA3 Surface #14161A Highlight #F4F6F8 Secondary #5B6572 Accent #7346C2

Indigo is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Indigo.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #550CA3 Secondary #706491 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.

Coastal Morning Lead · 5 colors

Lead #550CA3 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.

Sunset Warmth Glow · 5 colors

Glow #550CA3 Secondary #E86B6C Accent #F49449 Anchor #583A56 Surface #F7E7D7

Indigo glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #550CA3 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 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

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 20/100

Low

Clean and current — no dusty, aged cast.

Luxury 59/100

Moderate

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

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 61/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 15/100

Very low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #550CA3

For UI

For branding

For interior

For fashion

People also use #550CA3 with

Medium Blue Mauveine Olive Drab 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 10.7:1. Use

Subtle surface Use #DDC8F2 for cards and hover fills. Tint 80

Avoid beside #860CA1 — 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 #550CA3 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #550CA3;
  --color-base-rgb: 85 12 163;
  --color-base-oklch: oklch(39.2% 0.205 296.1);
  --color-50: #F7F0FE;
  --color-100: #EAD8FD;
  --color-200: #D5B3F9;
  --color-300: #B680EF;
  --color-400: #9752E0;
  --color-500: #782FC6;
  --color-600: #5F2B96;
  --color-700: #46256A;
  --color-800: #301C45;
  --color-900: #1E132A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F7F0FE',
    100: '#EAD8FD',
    200: '#D5B3F9',
    300: '#B680EF',
    400: '#9752E0',
    500: '#782FC6',
    600: '#5F2B96',
    700: '#46256A',
    800: '#301C45',
    900: '#1E132A',
  },
}

$base: #550CA3;
$base-ink: #FFFFFF;
$base-50: #F7F0FE;
$base-100: #EAD8FD;
$base-200: #D5B3F9;
$base-300: #B680EF;
$base-400: #9752E0;
$base-500: #782FC6;
$base-600: #5F2B96;
$base-700: #46256A;
$base-800: #301C45;
$base-900: #1E132A;
$base-hover: #430A81;
$base-subtle: #CBACEE;

{
    "color": {
        "base": {
            "value": "#550CA3",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F0FE",
                "type": "color"
            },
            "100": {
                "value": "#EAD8FD",
                "type": "color"
            },
            "200": {
                "value": "#D5B3F9",
                "type": "color"
            },
            "300": {
                "value": "#B680EF",
                "type": "color"
            },
            "400": {
                "value": "#9752E0",
                "type": "color"
            },
            "500": {
                "value": "#782FC6",
                "type": "color"
            },
            "600": {
                "value": "#5F2B96",
                "type": "color"
            },
            "700": {
                "value": "#46256A",
                "type": "color"
            },
            "800": {
                "value": "#301C45",
                "type": "color"
            },
            "900": {
                "value": "#1E132A",
                "type": "color"
            }
        }
    }
}

Palettes built on #550CA3

Color Lab

Pairs with #550CA3

UI roles & guardrails

In real applications

Scales

Every model

Export