What color is #4C548B?

#4C548B is a medium, muted blue-violet. In RGB it is rgb(76, 84, 139), and in HSL hsl(232, 29%, 42%).

Is #4C548B accessible as text?

On white, #4C548B has a contrast ratio of 7.12:1 (passes WCAG AA for body text); on black it is 2.95:1 (fails). For text placed on #4C548B, use white for the best readability.

What is the closest Tailwind color to #4C548B?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #4C548B?

#4C548B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8A824C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4C548B below.

Is #4C548B good for buttons?

#4C548B works well for buttons and highlights, but use white text on #4C548B — black text only reaches 2.95:1, below the 4.5:1 needed for normal-size labels.

Is #4C548B the same as CSS darkslateblue?

No — #4C548B is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#4C548B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4C548B

Not just a swatch — here's how #4C548B works with other colors. Named schemes with #4C548B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4C548B Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

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

Nordic Calm Accent · 5 colors

Accent #4C548B Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Ultra Violet keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #4C548B Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

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 #4C548B Anchor #3B2923 Surface #F3E1D2 Accent #769F7B 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 #4C548B Secondary #7C8095 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.

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Color Lab

How #4C548B 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 32/100

Cool

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

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 57/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 59/100

Moderate

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

Brand distinctiveness 24/100

Low

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

UI accent fit 84/100

Very high

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

Surface fit 28/100

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 #4C548B

For UI

For branding

For interior

For fashion

People also use #4C548B with

Air Force Blue Ultra Violet Shadow Gainsboro Prussian Blue

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 7.1:1. Use

Subtle surface Use #DBDDE8 for cards and hover fills. Tint 80

Avoid beside #584C8A — 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 #4C548B at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #4C548B;
  --color-base-rgb: 76 84 139;
  --color-base-oklch: oklch(46.5% 0.090 276.1);
  --color-50: #F5F6FA;
  --color-100: #E4E6F1;
  --color-200: #CACEE2;
  --color-300: #A5AACA;
  --color-400: #8187B1;
  --color-500: #616894;
  --color-600: #4F5473;
  --color-700: #3C3F53;
  --color-800: #292B37;
  --color-900: #1B1C23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F5F6FA',
    100: '#E4E6F1',
    200: '#CACEE2',
    300: '#A5AACA',
    400: '#8187B1',
    500: '#616894',
    600: '#4F5473',
    700: '#3C3F53',
    800: '#292B37',
    900: '#1B1C23',
  },
}

$base: #4C548B;
$base-ink: #FFFFFF;
$base-50: #F5F6FA;
$base-100: #E4E6F1;
$base-200: #CACEE2;
$base-300: #A5AACA;
$base-400: #8187B1;
$base-500: #616894;
$base-600: #4F5473;
$base-700: #3C3F53;
$base-800: #292B37;
$base-900: #1B1C23;
$base-hover: #3D436F;
$base-subtle: #C9CBDC;

{
    "color": {
        "base": {
            "value": "#4C548B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F6FA",
                "type": "color"
            },
            "100": {
                "value": "#E4E6F1",
                "type": "color"
            },
            "200": {
                "value": "#CACEE2",
                "type": "color"
            },
            "300": {
                "value": "#A5AACA",
                "type": "color"
            },
            "400": {
                "value": "#8187B1",
                "type": "color"
            },
            "500": {
                "value": "#616894",
                "type": "color"
            },
            "600": {
                "value": "#4F5473",
                "type": "color"
            },
            "700": {
                "value": "#3C3F53",
                "type": "color"
            },
            "800": {
                "value": "#292B37",
                "type": "color"
            },
            "900": {
                "value": "#1B1C23",
                "type": "color"
            }
        }
    }
}

Palettes built on #4C548B

Color Lab

Pairs with #4C548B

UI roles & guardrails

In real applications

Scales

Every model

Export