What color is #483D8B?

Dark Slate Blue (#483D8B) is a dark indigo. In RGB it is rgb(72, 61, 139), and in HSL hsl(248, 39%, 39%).

Is #483D8B accessible as text?

On white, #483D8B has a contrast ratio of 9.07:1 (passes WCAG AA for body text); on black it is 2.32:1 (fails). For text placed on #483D8B, use white for the best readability.

What is the closest Tailwind color to #483D8B?

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

What colors go well with #483D8B?

#483D8B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #808A3D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #483D8B below.

Is Dark Slate Blue good for buttons?

Dark Slate Blue works well for buttons and highlights, but use white text on #483D8B — black text only reaches 2.32:1, below the 4.5:1 needed for normal-size labels.

Is Dark Slate Blue the same as CSS darkslateblue?

Yes — #483D8B is the CSS named color darkslateblue.

Dark Slate Blue (#483D8B) Color Palette, HEX, RGB & Design Ideas

Palettes built on Dark Slate Blue

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

Coastal Morning Lead · 5 colors

Lead #483D8B Accent #A5C4C3 Surface #E9D5BF Secondary #9AA0A1 Anchor #22334A

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 #483D8B Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

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 #483D8B Anchor #3B2923 Surface #F3E1D2 Accent #759F7C 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.

Berry & Cream Lead · 5 colors

Lead #483D8B Surface #F5E5D7 Anchor #5B2142 Accent #E5C2C8 Secondary #332B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #483D8B Secondary #706F8C 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.

Build a working theme in the generator →

Color Lab

How Dark Slate Blue 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 29/100

Cool

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

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 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 64/100

High

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

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 79/100

High

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

Surface fit 20/100

Low

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

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with Dark Slate Blue

For UI

For branding

For interior

For fashion

People also use Dark Slate Blue with

Steel Blue Eminence Olive Green 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 9.1:1. Use

Subtle surface Use #D9D7E9 for cards and hover fills. Tint 80

Avoid beside #613D8A — 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 Dark Slate Blue 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: #483D8B;
  --color-base-rgb: 72 61 139;
  --color-base-oklch: oklch(41.4% 0.125 286.0);
  --color-50: #F5F4FB;
  --color-100: #E4E2F3;
  --color-200: #CBC6E6;
  --color-300: #A59ED1;
  --color-400: #8179B9;
  --color-500: #61589D;
  --color-600: #4F4979;
  --color-700: #3C3857;
  --color-800: #2A273A;
  --color-900: #1B1924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F5F4FB',
    100: '#E4E2F3',
    200: '#CBC6E6',
    300: '#A59ED1',
    400: '#8179B9',
    500: '#61589D',
    600: '#4F4979',
    700: '#3C3857',
    800: '#2A273A',
    900: '#1B1924',
  },
}

$base: #483D8B;
$base-ink: #FFFFFF;
$base-50: #F5F4FB;
$base-100: #E4E2F3;
$base-200: #CBC6E6;
$base-300: #A59ED1;
$base-400: #8179B9;
$base-500: #61589D;
$base-600: #4F4979;
$base-700: #3C3857;
$base-800: #2A273A;
$base-900: #1B1924;
$base-hover: #39316F;
$base-subtle: #C6C3DE;

{
    "color": {
        "base": {
            "value": "#483D8B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E4E2F3",
                "type": "color"
            },
            "200": {
                "value": "#CBC6E6",
                "type": "color"
            },
            "300": {
                "value": "#A59ED1",
                "type": "color"
            },
            "400": {
                "value": "#8179B9",
                "type": "color"
            },
            "500": {
                "value": "#61589D",
                "type": "color"
            },
            "600": {
                "value": "#4F4979",
                "type": "color"
            },
            "700": {
                "value": "#3C3857",
                "type": "color"
            },
            "800": {
                "value": "#2A273A",
                "type": "color"
            },
            "900": {
                "value": "#1B1924",
                "type": "color"
            }
        }
    }
}