What color is #352D7E?

#352D7E is a dark indigo. In RGB it is rgb(53, 45, 126), and in HSL hsl(246, 47%, 34%).

Is #352D7E accessible as text?

On white, #352D7E has a contrast ratio of 11.49:1 (passes WCAG AA for body text); on black it is 1.83:1 (fails). For text placed on #352D7E, use white for the best readability.

What is the closest Tailwind color to #352D7E?

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

What colors go well with #352D7E?

#352D7E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #777F2E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #352D7E below.

Is #352D7E good for buttons?

#352D7E works well for buttons and highlights, but use white text on #352D7E — black text only reaches 1.83:1, below the 4.5:1 needed for normal-size labels.

Is #352D7E the same as CSS darkslateblue?

No — #352D7E is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#352D7E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #352D7E

Not just a swatch — here's how #352D7E works with other colors. Named schemes with #352D7E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #352D7E 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 #352D7E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #260F43

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 #352D7E 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 #352D7E 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 #352D7E Secondary #5E607D 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 #352D7E 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 26/100

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 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 22/100

Low

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

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #352D7E

For UI

For branding

For interior

For fashion

People also use #352D7E 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 11.5:1. Use

Subtle surface Use #D4D2E9 for cards and hover fills. Tint 80

Avoid beside #512E7F — 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 #352D7E 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: #352D7E;
  --color-base-rgb: 53 45 126;
  --color-base-oklch: oklch(35.8% 0.132 281.9);
  --color-50: #F4F3FB;
  --color-100: #E2E0F5;
  --color-200: #C7C3E9;
  --color-300: #9F99D6;
  --color-400: #7A72C0;
  --color-500: #5951A4;
  --color-600: #49447E;
  --color-700: #38345A;
  --color-800: #27253C;
  --color-900: #1A1825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F4F3FB',
    100: '#E2E0F5',
    200: '#C7C3E9',
    300: '#9F99D6',
    400: '#7A72C0',
    500: '#5951A4',
    600: '#49447E',
    700: '#38345A',
    800: '#27253C',
    900: '#1A1825',
  },
}

$base: #352D7E;
$base-ink: #FFFFFF;
$base-50: #F4F3FB;
$base-100: #E2E0F5;
$base-200: #C7C3E9;
$base-300: #9F99D6;
$base-400: #7A72C0;
$base-500: #5951A4;
$base-600: #49447E;
$base-700: #38345A;
$base-800: #27253C;
$base-900: #1A1825;
$base-hover: #2B2566;
$base-subtle: #BEBADF;

{
    "color": {
        "base": {
            "value": "#352D7E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F3FB",
                "type": "color"
            },
            "100": {
                "value": "#E2E0F5",
                "type": "color"
            },
            "200": {
                "value": "#C7C3E9",
                "type": "color"
            },
            "300": {
                "value": "#9F99D6",
                "type": "color"
            },
            "400": {
                "value": "#7A72C0",
                "type": "color"
            },
            "500": {
                "value": "#5951A4",
                "type": "color"
            },
            "600": {
                "value": "#49447E",
                "type": "color"
            },
            "700": {
                "value": "#38345A",
                "type": "color"
            },
            "800": {
                "value": "#27253C",
                "type": "color"
            },
            "900": {
                "value": "#1A1825",
                "type": "color"
            }
        }
    }
}