What color is #4B4A78?

#4B4A78 is a dark, muted blue-violet. In RGB it is rgb(75, 74, 120), and in HSL hsl(241, 24%, 38%).

Is #4B4A78 accessible as text?

On white, #4B4A78 has a contrast ratio of 8.24:1 (passes WCAG AA for body text); on black it is 2.55:1 (fails). For text placed on #4B4A78, use white for the best readability.

What is the closest Tailwind color to #4B4A78?

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

What colors go well with #4B4A78?

#4B4A78 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #77784A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4B4A78 below.

Is #4B4A78 good for buttons?

#4B4A78 works well for buttons and highlights, but use white text on #4B4A78 — black text only reaches 2.55:1, below the 4.5:1 needed for normal-size labels.

Is #4B4A78 the same as CSS darkslateblue?

No — #4B4A78 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#4B4A78 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4B4A78

Not just a swatch — here's how #4B4A78 works with other colors. Named schemes with #4B4A78 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4B4A78 Accent #A5C4C3 Surface #EAD5BF 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.

Nordic Calm Accent · 5 colors

Accent #4B4A78 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 #4B4A78 Secondary #7E4533 Surface #EDD7C2 Accent #365247 Anchor #582238

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 #4B4A78 Anchor #3B2923 Surface #F3E1D2 Accent #759F7C 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 #4B4A78 Secondary #757687 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 #4B4A78 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 37/100

Cool

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

Softness 40/100

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 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

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

Brand distinctiveness 20/100

Low

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

UI accent fit 71/100

High

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

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4B4A78

For UI

For branding

For interior

For fashion

People also use #4B4A78 with

Slate Gray Ultra Violet Olive Brown Gainsboro Gunmetal Gray

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 8.2:1. Use

Subtle surface Use #DADAE5 for cards and hover fills. Tint 80

Avoid beside #5A4A78 — 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 #4B4A78 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: #4B4A78;
  --color-base-rgb: 75 74 120;
  --color-base-oklch: oklch(43.1% 0.075 283.8);
  --color-50: #F5F5F9;
  --color-100: #E6E5F0;
  --color-200: #CDCCE0;
  --color-300: #A9A8C7;
  --color-400: #8685AD;
  --color-500: #666590;
  --color-600: #525270;
  --color-700: #3E3E51;
  --color-800: #2B2B36;
  --color-900: #1B1B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F5F5F9',
    100: '#E6E5F0',
    200: '#CDCCE0',
    300: '#A9A8C7',
    400: '#8685AD',
    500: '#666590',
    600: '#525270',
    700: '#3E3E51',
    800: '#2B2B36',
    900: '#1B1B22',
  },
}

$base: #4B4A78;
$base-ink: #FFFFFF;
$base-50: #F5F5F9;
$base-100: #E6E5F0;
$base-200: #CDCCE0;
$base-300: #A9A8C7;
$base-400: #8685AD;
$base-500: #666590;
$base-600: #525270;
$base-700: #3E3E51;
$base-800: #2B2B36;
$base-900: #1B1B22;
$base-hover: #3C3B60;
$base-subtle: #C7C7D8;

{
    "color": {
        "base": {
            "value": "#4B4A78",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F5F9",
                "type": "color"
            },
            "100": {
                "value": "#E6E5F0",
                "type": "color"
            },
            "200": {
                "value": "#CDCCE0",
                "type": "color"
            },
            "300": {
                "value": "#A9A8C7",
                "type": "color"
            },
            "400": {
                "value": "#8685AD",
                "type": "color"
            },
            "500": {
                "value": "#666590",
                "type": "color"
            },
            "600": {
                "value": "#525270",
                "type": "color"
            },
            "700": {
                "value": "#3E3E51",
                "type": "color"
            },
            "800": {
                "value": "#2B2B36",
                "type": "color"
            },
            "900": {
                "value": "#1B1B22",
                "type": "color"
            }
        }
    }
}