What color is #4C3384?

#4C3384 is a dark indigo. In RGB it is rgb(76, 51, 132), and in HSL hsl(259, 44%, 36%).

Is #4C3384 accessible as text?

On white, #4C3384 has a contrast ratio of 9.93:1 (passes WCAG AA for body text); on black it is 2.11:1 (fails). For text placed on #4C3384, use white for the best readability.

What is the closest Tailwind color to #4C3384?

The nearest Tailwind CSS token is indigo-900 (#312C85).

What colors go well with #4C3384?

#4C3384 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6B8433. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4C3384 below.

Is #4C3384 good for buttons?

#4C3384 works well for buttons and highlights, but use white text on #4C3384 — black text only reaches 2.11:1, below the 4.5:1 needed for normal-size labels.

Is #4C3384 the same as CSS darkslateblue?

No — #4C3384 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.

#4C3384 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4C3384

Not just a swatch — here's how #4C3384 works with other colors. Named schemes with #4C3384 in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #4C3384 Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 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 #4C3384 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

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 #4C3384 Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

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 #4C3384 Anchor #3B2923 Surface #F3E1D1 Accent #749F7D 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 #4C3384 Secondary #6E6886 Support #9D9088 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.

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Color Lab

How #4C3384 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 33/100

Cool

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

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 62/100

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 42/100

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 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 73/100

High

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

Surface fit 20/100

Very low

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

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4C3384

For UI

For branding

For interior

For fashion

People also use #4C3384 with

Lapis Lazuli Eminence 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 9.9:1. Use

Subtle surface Use #DBD4E9 for cards and hover fills. Tint 80

Avoid beside #683384 — 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 #4C3384 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

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: #4C3384;
  --color-base-rgb: 76 51 132;
  --color-base-oklch: oklch(39.5% 0.130 293.8);
  --color-50: #F6F4FB;
  --color-100: #E7E1F4;
  --color-200: #D0C4E8;
  --color-300: #AD9BD4;
  --color-400: #8C75BD;
  --color-500: #6C54A1;
  --color-600: #57467C;
  --color-700: #413659;
  --color-800: #2D263B;
  --color-900: #1C1925;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F6F4FB',
    100: '#E7E1F4',
    200: '#D0C4E8',
    300: '#AD9BD4',
    400: '#8C75BD',
    500: '#6C54A1',
    600: '#57467C',
    700: '#413659',
    800: '#2D263B',
    900: '#1C1925',
  },
}

$base: #4C3384;
$base-ink: #FFFFFF;
$base-50: #F6F4FB;
$base-100: #E7E1F4;
$base-200: #D0C4E8;
$base-300: #AD9BD4;
$base-400: #8C75BD;
$base-500: #6C54A1;
$base-600: #57467C;
$base-700: #413659;
$base-800: #2D263B;
$base-900: #1C1925;
$base-hover: #3E296A;
$base-subtle: #C8BEDE;

{
    "color": {
        "base": {
            "value": "#4C3384",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E7E1F4",
                "type": "color"
            },
            "200": {
                "value": "#D0C4E8",
                "type": "color"
            },
            "300": {
                "value": "#AD9BD4",
                "type": "color"
            },
            "400": {
                "value": "#8C75BD",
                "type": "color"
            },
            "500": {
                "value": "#6C54A1",
                "type": "color"
            },
            "600": {
                "value": "#57467C",
                "type": "color"
            },
            "700": {
                "value": "#413659",
                "type": "color"
            },
            "800": {
                "value": "#2D263B",
                "type": "color"
            },
            "900": {
                "value": "#1C1925",
                "type": "color"
            }
        }
    }
}

Palettes built on #4C3384

Color Lab

Pairs with #4C3384

UI roles & guardrails

In real applications

Scales

Every model

Export