What color is #55367E?

#55367E is a dark violet. In RGB it is rgb(85, 54, 126), and in HSL hsl(266, 40%, 35%).

Is #55367E accessible as text?

On white, #55367E has a contrast ratio of 9.48:1 (passes WCAG AA for body text); on black it is 2.22:1 (fails). For text placed on #55367E, use white for the best readability.

What is the closest Tailwind color to #55367E?

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

What colors go well with #55367E?

#55367E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5E7D36. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #55367E below.

Is #55367E good for buttons?

#55367E works well for buttons and highlights, but use white text on #55367E — black text only reaches 2.22:1, below the 4.5:1 needed for normal-size labels.

Is #55367E the same as CSS darkslateblue?

No — #55367E is not the CSS named color darkslateblue, but darkslateblue (#483D8B) 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.

#55367E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #55367E

Not just a swatch — here's how #55367E works with other colors. Named schemes with #55367E in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #55367E Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #55367E Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

Dark Slate Blue 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 #55367E Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

Dark Slate Blue 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 #55367E Anchor #3B2923 Surface #F2E1D1 Accent #739F7E Secondary #3C3734

Dark Slate Blue 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 #55367E Secondary #746B85 Support #9C9088 Ink #18140F

Dark Slate Blue 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 Dark Slate Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #55367E 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 39/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 75/100

High

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

Surface fit 23/100

Low

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

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #55367E

For UI

For branding

For interior

For fashion

People also use #55367E with

Dark Slate Blue Eminence Fern 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 9.5:1. Use

Subtle surface Use #DDD4E7 for cards and hover fills. Tint 80

Avoid beside #6C367D — 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 #55367E 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: #55367E;
  --color-base-rgb: 85 54 126;
  --color-base-oklch: oklch(40.6% 0.118 301.2);
  --color-50: #F7F4FB;
  --color-100: #E9E2F3;
  --color-200: #D4C6E6;
  --color-300: #B49ED1;
  --color-400: #9578BA;
  --color-500: #76579E;
  --color-600: #5E487A;
  --color-700: #453758;
  --color-800: #2F273A;
  --color-900: #1E1924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F7F4FB',
    100: '#E9E2F3',
    200: '#D4C6E6',
    300: '#B49ED1',
    400: '#9578BA',
    500: '#76579E',
    600: '#5E487A',
    700: '#453758',
    800: '#2F273A',
    900: '#1E1924',
  },
}

$base: #55367E;
$base-ink: #FFFFFF;
$base-50: #F7F4FB;
$base-100: #E9E2F3;
$base-200: #D4C6E6;
$base-300: #B49ED1;
$base-400: #9578BA;
$base-500: #76579E;
$base-600: #5E487A;
$base-700: #453758;
$base-800: #2F273A;
$base-900: #1E1924;
$base-hover: #442B64;
$base-subtle: #CBBEDC;

{
    "color": {
        "base": {
            "value": "#55367E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E9E2F3",
                "type": "color"
            },
            "200": {
                "value": "#D4C6E6",
                "type": "color"
            },
            "300": {
                "value": "#B49ED1",
                "type": "color"
            },
            "400": {
                "value": "#9578BA",
                "type": "color"
            },
            "500": {
                "value": "#76579E",
                "type": "color"
            },
            "600": {
                "value": "#5E487A",
                "type": "color"
            },
            "700": {
                "value": "#453758",
                "type": "color"
            },
            "800": {
                "value": "#2F273A",
                "type": "color"
            },
            "900": {
                "value": "#1E1924",
                "type": "color"
            }
        }
    }
}

Palettes built on #55367E

Color Lab

Pairs with #55367E

UI roles & guardrails

In real applications

Scales

Every model

Export