What color is #352D79?

#352D79 is a dark indigo. In RGB it is rgb(53, 45, 121), and in HSL hsl(246, 46%, 33%).

Is #352D79 accessible as text?

On white, #352D79 has a contrast ratio of 11.65:1 (passes WCAG AA for body text); on black it is 1.80:1 (fails). For text placed on #352D79, use white for the best readability.

What is the closest Tailwind color to #352D79?

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

What colors go well with #352D79?

#352D79 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #737B2D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #352D79 below.

Is #352D79 good for buttons?

#352D79 works well for buttons and highlights, but use white text on #352D79 — black text only reaches 1.80:1, below the 4.5:1 needed for normal-size labels.

Is #352D79 the same as CSS darkslateblue?

No — #352D79 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#352D79 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #352D79

Not just a swatch — here's how #352D79 works with other colors. Named schemes with #352D79 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #352D79 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 #352D79 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #250F3F

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 #352D79 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 #352D79 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 #352D79 Secondary #5D5F7A 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 #352D79 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 28/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

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 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 24/100

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 #352D79

For UI

For branding

For interior

For fashion

People also use #352D79 with

Lapis Lazuli 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 11.6:1. Use

Subtle surface Use #D4D2E8 for cards and hover fills. Tint 80

Avoid beside #4F2D7B — 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 #352D79 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: #352D79;
  --color-base-rgb: 53 45 121;
  --color-base-oklch: oklch(35.3% 0.125 282.7);
  --color-50: #F4F3FB;
  --color-100: #E3E1F5;
  --color-200: #C7C4E9;
  --color-300: #A09AD5;
  --color-400: #7B73BF;
  --color-500: #5A52A3;
  --color-600: #4A447E;
  --color-700: #39355A;
  --color-800: #28253C;
  --color-900: #1A1825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F4F3FB',
    100: '#E3E1F5',
    200: '#C7C4E9',
    300: '#A09AD5',
    400: '#7B73BF',
    500: '#5A52A3',
    600: '#4A447E',
    700: '#39355A',
    800: '#28253C',
    900: '#1A1825',
  },
}

$base: #352D79;
$base-ink: #FFFFFF;
$base-50: #F4F3FB;
$base-100: #E3E1F5;
$base-200: #C7C4E9;
$base-300: #A09AD5;
$base-400: #7B73BF;
$base-500: #5A52A3;
$base-600: #4A447E;
$base-700: #39355A;
$base-800: #28253C;
$base-900: #1A1825;
$base-hover: #2B2462;
$base-subtle: #BDBADE;

{
    "color": {
        "base": {
            "value": "#352D79",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F3FB",
                "type": "color"
            },
            "100": {
                "value": "#E3E1F5",
                "type": "color"
            },
            "200": {
                "value": "#C7C4E9",
                "type": "color"
            },
            "300": {
                "value": "#A09AD5",
                "type": "color"
            },
            "400": {
                "value": "#7B73BF",
                "type": "color"
            },
            "500": {
                "value": "#5A52A3",
                "type": "color"
            },
            "600": {
                "value": "#4A447E",
                "type": "color"
            },
            "700": {
                "value": "#39355A",
                "type": "color"
            },
            "800": {
                "value": "#28253C",
                "type": "color"
            },
            "900": {
                "value": "#1A1825",
                "type": "color"
            }
        }
    }
}