What color is #554688?

#554688 is a medium, muted indigo. In RGB it is rgb(85, 70, 136), and in HSL hsl(254, 32%, 40%).

Is #554688 accessible as text?

On white, #554688 has a contrast ratio of 8.02:1 (passes WCAG AA for body text); on black it is 2.62:1 (fails). For text placed on #554688, use white for the best readability.

What is the closest Tailwind color to #554688?

The nearest Tailwind CSS token is mauve-600 (#594C5B).

What colors go well with #554688?

#554688 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #778745. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #554688 below.

Is #554688 good for buttons?

#554688 works well for buttons and highlights, but use white text on #554688 — black text only reaches 2.62:1, below the 4.5:1 needed for normal-size labels.

Is #554688 the same as CSS darkslateblue?

No — #554688 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#554688 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #554688

Not just a swatch — here's how #554688 works with other colors. Named schemes with #554688 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #554688 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

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

Coastal Morning Lead · 5 colors

Lead #554688 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Ultra Violet 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 #554688 Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

Ultra Violet 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 #554688 Anchor #3B2923 Surface #F3E1D1 Accent #749F7D Secondary #3C3734

Ultra Violet 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 #554688 Secondary #7B7790 Support #9D9088 Ink #18140F

Ultra Violet 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 Ultra Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #554688 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 35/100

Cool

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 62/100

High

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

Brand distinctiveness 29/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 83/100

Very high

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

Surface fit 24/100

Low

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

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #554688

For UI

For branding

For interior

For fashion

People also use #554688 with

Very Peri Plum 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 8.0:1. Use

Subtle surface Use #DDD9E7 for cards and hover fills. Tint 80

Avoid beside #6A4587 — 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 #554688 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: #554688;
  --color-base-rgb: 85 70 136;
  --color-base-oklch: oklch(44.2% 0.106 291.9);
  --color-50: #F6F5FA;
  --color-100: #E7E4F2;
  --color-200: #CFC9E3;
  --color-300: #ADA3CC;
  --color-400: #8B7FB3;
  --color-500: #6B5E97;
  --color-600: #564D75;
  --color-700: #413A54;
  --color-800: #2C2938;
  --color-900: #1C1A23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F6F5FA',
    100: '#E7E4F2',
    200: '#CFC9E3',
    300: '#ADA3CC',
    400: '#8B7FB3',
    500: '#6B5E97',
    600: '#564D75',
    700: '#413A54',
    800: '#2C2938',
    900: '#1C1A23',
  },
}

$base: #554688;
$base-ink: #FFFFFF;
$base-50: #F6F5FA;
$base-100: #E7E4F2;
$base-200: #CFC9E3;
$base-300: #ADA3CC;
$base-400: #8B7FB3;
$base-500: #6B5E97;
$base-600: #564D75;
$base-700: #413A54;
$base-800: #2C2938;
$base-900: #1C1A23;
$base-hover: #44376C;
$base-subtle: #CBC6DC;

{
    "color": {
        "base": {
            "value": "#554688",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F5FA",
                "type": "color"
            },
            "100": {
                "value": "#E7E4F2",
                "type": "color"
            },
            "200": {
                "value": "#CFC9E3",
                "type": "color"
            },
            "300": {
                "value": "#ADA3CC",
                "type": "color"
            },
            "400": {
                "value": "#8B7FB3",
                "type": "color"
            },
            "500": {
                "value": "#6B5E97",
                "type": "color"
            },
            "600": {
                "value": "#564D75",
                "type": "color"
            },
            "700": {
                "value": "#413A54",
                "type": "color"
            },
            "800": {
                "value": "#2C2938",
                "type": "color"
            },
            "900": {
                "value": "#1C1A23",
                "type": "color"
            }
        }
    }
}