What color is #392991?

#392991 is a dark indigo. In RGB it is rgb(57, 41, 145), and in HSL hsl(249, 56%, 36%).

Is #392991 accessible as text?

On white, #392991 has a contrast ratio of 11.05:1 (passes WCAG AA for body text); on black it is 1.90:1 (fails). For text placed on #392991, use white for the best readability.

What is the closest Tailwind color to #392991?

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

What colors go well with #392991?

#392991 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #808F28. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #392991 below.

Is #392991 good for buttons?

#392991 works well for buttons and highlights, but use white text on #392991 — black text only reaches 1.90:1, below the 4.5:1 needed for normal-size labels.

Is #392991 the same as CSS darkslateblue?

No — #392991 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#392991 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #392991

Not just a swatch — here's how #392991 works with other colors. Named schemes with #392991 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #392991 Anchor #141210 Accent #DB9758 Secondary #272833 Surface #F3ECE3

Dark Slate Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #392991 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #2C0B4F

Dark Slate Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Dark Slate Blue.

Coastal Morning Lead · 5 colors

Lead #392991 Accent #A5C4C3 Surface #EAD5BF 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 #392991 Secondary #7F4534 Surface #EDD7C2 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #392991 Secondary #616387 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 #392991 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 20/100

Cool

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 62/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 64/100

High

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

Surface fit 16/100

Very low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #392991

For UI

For branding

For interior

For fashion

People also use #392991 with

Lapis Lazuli Eminence Olive Drab 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 11.1:1. Use

Subtle surface Use #D5D1EC for cards and hover fills. Tint 80

Avoid beside #5A288F — 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 #392991 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: #392991;
  --color-base-rgb: 57 41 145;
  --color-base-oklch: oklch(37.2% 0.162 282.1);
  --color-50: #F4F3FC;
  --color-100: #E2DFF7;
  --color-200: #C6BFED;
  --color-300: #9E93DC;
  --color-400: #796BC7;
  --color-500: #5849AC;
  --color-600: #493E84;
  --color-700: #38315E;
  --color-800: #27233E;
  --color-900: #191726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F4F3FC',
    100: '#E2DFF7',
    200: '#C6BFED',
    300: '#9E93DC',
    400: '#796BC7',
    500: '#5849AC',
    600: '#493E84',
    700: '#38315E',
    800: '#27233E',
    900: '#191726',
  },
}

$base: #392991;
$base-ink: #FFFFFF;
$base-50: #F4F3FC;
$base-100: #E2DFF7;
$base-200: #C6BFED;
$base-300: #9E93DC;
$base-400: #796BC7;
$base-500: #5849AC;
$base-600: #493E84;
$base-700: #38315E;
$base-800: #27233E;
$base-900: #191726;
$base-hover: #2D2073;
$base-subtle: #BFB9E3;

{
    "color": {
        "base": {
            "value": "#392991",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E2DFF7",
                "type": "color"
            },
            "200": {
                "value": "#C6BFED",
                "type": "color"
            },
            "300": {
                "value": "#9E93DC",
                "type": "color"
            },
            "400": {
                "value": "#796BC7",
                "type": "color"
            },
            "500": {
                "value": "#5849AC",
                "type": "color"
            },
            "600": {
                "value": "#493E84",
                "type": "color"
            },
            "700": {
                "value": "#38315E",
                "type": "color"
            },
            "800": {
                "value": "#27233E",
                "type": "color"
            },
            "900": {
                "value": "#191726",
                "type": "color"
            }
        }
    }
}

Palettes built on #392991

Color Lab

Pairs with #392991

UI roles & guardrails

In real applications

Scales

Every model

Export