What color is #581B8A?

#581B8A is a dark violet. In RGB it is rgb(88, 27, 138), and in HSL hsl(273, 67%, 32%).

Is #581B8A accessible as text?

On white, #581B8A has a contrast ratio of 10.83:1 (passes WCAG AA for body text); on black it is 1.94:1 (fails). For text placed on #581B8A, use white for the best readability.

What is the closest Tailwind color to #581B8A?

The nearest Tailwind CSS token is purple-900 (#59168B).

What colors go well with #581B8A?

#581B8A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4C881B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #581B8A below.

Is #581B8A good for buttons?

#581B8A works well for buttons and highlights, but use white text on #581B8A — black text only reaches 1.94:1, below the 4.5:1 needed for normal-size labels.

Is #581B8A the same as CSS indigo?

No — #581B8A is not the CSS named color indigo, but indigo (#4B0082) is the closest CSS named color.

#581B8A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #581B8A

Not just a swatch — here's how #581B8A works with other colors. Named schemes with #581B8A in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #581B8A Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #581B8A Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Indigo opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #581B8A Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

Indigo plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #581B8A Anchor #3B2923 Surface #F2E1D1 Accent #A09261 Secondary #3C3734

Indigo anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #581B8A Secondary #716186 Support #9C9088 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 #581B8A 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 36/100

Cool

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

Softness 28/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 66/100

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 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #581B8A

For UI

For branding

For interior

For fashion

People also use #581B8A with

Klein Blue Mardi Gras Avocado 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 10.8:1. Use

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

Avoid beside #7C1B88 — 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 #581B8A at work across the surfaces designers actually ship.

Website / UI

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A working theme, generated in seconds.

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: #581B8A;
  --color-base-rgb: 88 27 138;
  --color-base-oklch: oklch(38.2% 0.170 304.1);
  --color-50: #F8F2FD;
  --color-100: #ECDCF9;
  --color-200: #D9BBF1;
  --color-300: #BC8CE3;
  --color-400: #9F62D0;
  --color-500: #803FB5;
  --color-600: #65378B;
  --color-700: #4A2C62;
  --color-800: #322041;
  --color-900: #201628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  indigo: {
    50: '#F8F2FD',
    100: '#ECDCF9',
    200: '#D9BBF1',
    300: '#BC8CE3',
    400: '#9F62D0',
    500: '#803FB5',
    600: '#65378B',
    700: '#4A2C62',
    800: '#322041',
    900: '#201628',
  },
}

$base: #581B8A;
$base-ink: #FFFFFF;
$base-50: #F8F2FD;
$base-100: #ECDCF9;
$base-200: #D9BBF1;
$base-300: #BC8CE3;
$base-400: #9F62D0;
$base-500: #803FB5;
$base-600: #65378B;
$base-700: #4A2C62;
$base-800: #322041;
$base-900: #201628;
$base-hover: #46166D;
$base-subtle: #CEB0E5;

{
    "color": {
        "base": {
            "value": "#581B8A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F2FD",
                "type": "color"
            },
            "100": {
                "value": "#ECDCF9",
                "type": "color"
            },
            "200": {
                "value": "#D9BBF1",
                "type": "color"
            },
            "300": {
                "value": "#BC8CE3",
                "type": "color"
            },
            "400": {
                "value": "#9F62D0",
                "type": "color"
            },
            "500": {
                "value": "#803FB5",
                "type": "color"
            },
            "600": {
                "value": "#65378B",
                "type": "color"
            },
            "700": {
                "value": "#4A2C62",
                "type": "color"
            },
            "800": {
                "value": "#322041",
                "type": "color"
            },
            "900": {
                "value": "#201628",
                "type": "color"
            }
        }
    }
}

Palettes built on #581B8A

Color Lab

Pairs with #581B8A

UI roles & guardrails

In real applications

Scales

Every model

Export