What color is #2E367D?

#2E367D is a dark blue-violet. In RGB it is rgb(46, 54, 125), and in HSL hsl(234, 46%, 34%).

Is #2E367D accessible as text?

On white, #2E367D has a contrast ratio of 10.82:1 (passes WCAG AA for body text); on black it is 1.94:1 (fails). For text placed on #2E367D, use white for the best readability.

What is the closest Tailwind color to #2E367D?

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

What colors go well with #2E367D?

#2E367D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7F772F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2E367D below.

Is #2E367D good for buttons?

#2E367D works well for buttons and highlights, but use white text on #2E367D — black text only reaches 1.94:1, below the 4.5:1 needed for normal-size labels.

Is #2E367D the same as CSS darkslateblue?

No — #2E367D is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#2E367D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2E367D

Not just a swatch — here's how #2E367D works with other colors. Named schemes with #2E367D in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #2E367D Anchor #141210 Accent #DC9659 Secondary #262833 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 #2E367D Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #241645

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 #2E367D Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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 #2E367D Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

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 #2E367D Secondary #5E647E 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 #2E367D 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 25/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 64/100

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 40/100

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 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 63/100

High

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

Surface fit 25/100

Low

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

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2E367D

For UI

For branding

For interior

For fashion

People also use #2E367D with

Teal Blue Dark Slate Blue Olive Brown 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 10.8:1. Use

Subtle surface Use #D2D4E8 for cards and hover fills. Tint 80

Avoid beside #412F7F — 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 #2E367D 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: #2E367D;
  --color-base-rgb: 46 54 125;
  --color-base-oklch: oklch(36.9% 0.119 274.1);
  --color-50: #F3F4FB;
  --color-100: #E1E3F5;
  --color-200: #C4C7E9;
  --color-300: #9AA0D5;
  --color-400: #737BBF;
  --color-500: #525AA3;
  --color-600: #444A7E;
  --color-700: #35395A;
  --color-800: #25283C;
  --color-900: #181A25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F3F4FB',
    100: '#E1E3F5',
    200: '#C4C7E9',
    300: '#9AA0D5',
    400: '#737BBF',
    500: '#525AA3',
    600: '#444A7E',
    700: '#35395A',
    800: '#25283C',
    900: '#181A25',
  },
}

$base: #2E367D;
$base-ink: #FFFFFF;
$base-50: #F3F4FB;
$base-100: #E1E3F5;
$base-200: #C4C7E9;
$base-300: #9AA0D5;
$base-400: #737BBF;
$base-500: #525AA3;
$base-600: #444A7E;
$base-700: #35395A;
$base-800: #25283C;
$base-900: #181A25;
$base-hover: #252C65;
$base-subtle: #BBBEDE;

{
    "color": {
        "base": {
            "value": "#2E367D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E3F5",
                "type": "color"
            },
            "200": {
                "value": "#C4C7E9",
                "type": "color"
            },
            "300": {
                "value": "#9AA0D5",
                "type": "color"
            },
            "400": {
                "value": "#737BBF",
                "type": "color"
            },
            "500": {
                "value": "#525AA3",
                "type": "color"
            },
            "600": {
                "value": "#444A7E",
                "type": "color"
            },
            "700": {
                "value": "#35395A",
                "type": "color"
            },
            "800": {
                "value": "#25283C",
                "type": "color"
            },
            "900": {
                "value": "#181A25",
                "type": "color"
            }
        }
    }
}

Palettes built on #2E367D

Color Lab

Pairs with #2E367D

UI roles & guardrails

In real applications

Scales

Every model

Export