What color is #423355?

#423355 is a dark, muted violet. In RGB it is rgb(66, 51, 85), and in HSL hsl(266, 25%, 27%).

Is #423355 accessible as text?

On white, #423355 has a contrast ratio of 11.44:1 (passes WCAG AA for body text); on black it is 1.84:1 (fails). For text placed on #423355, use white for the best readability.

What is the closest Tailwind color to #423355?

The nearest Tailwind CSS token is mauve-700 (#463947).

What colors go well with #423355?

#423355 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #475634. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #423355 below.

Is #423355 good for buttons?

#423355 works well for buttons and highlights, but use white text on #423355 — black text only reaches 1.84:1, below the 4.5:1 needed for normal-size labels.

Is #423355 the same as CSS darkslateblue?

No — #423355 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#423355 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #423355

Not just a swatch — here's how #423355 works with other colors. Named schemes with #423355 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #423355 Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

Onyx plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Japanese Sand Base · 5 colors

Base #423355 Surface #F2E8DD Highlight #F8F0E7 Secondary #BDADA1 Ink #2C2723

Onyx sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #423355 Anchor #141210 Accent #D99855 Secondary #2B2731 Surface #F3ECE3

Onyx 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #423355 Secondary #645E6B Support #9C9088 Ink #18140F

Onyx 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 Onyx carrying the quiet middle.

Berry & Cream Lead · 5 colors

Lead #423355 Surface #F5E6D7 Anchor #5C2140 Accent #E5C2C7 Secondary #332B2F

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

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Color Lab

How #423355 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 45/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

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 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 23/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 45/100

Moderate

Workable accent with care around contrast.

Surface fit 44/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #423355

For UI

For branding

For interior

For fashion

People also use #423355 with

Classic Blue Eggplant Army Green Gainsboro Onyx

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 11.4:1. Use

Subtle surface Use #D9D3E0 for cards and hover fills. Tint 80

Avoid beside #4E3456 — 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 #423355 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: #423355;
  --color-base-rgb: 66 51 85;
  --color-base-oklch: oklch(35.3% 0.060 303.7);
  --color-50: #F7F5F9;
  --color-100: #EAE5F0;
  --color-200: #D5CCE0;
  --color-300: #B5A7C8;
  --color-400: #9684AE;
  --color-500: #776490;
  --color-600: #5F5170;
  --color-700: #463D51;
  --color-800: #302A36;
  --color-900: #1E1B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F5F9',
    100: '#EAE5F0',
    200: '#D5CCE0',
    300: '#B5A7C8',
    400: '#9684AE',
    500: '#776490',
    600: '#5F5170',
    700: '#463D51',
    800: '#302A36',
    900: '#1E1B22',
  },
}

$base: #423355;
$base-ink: #FFFFFF;
$base-50: #F7F5F9;
$base-100: #EAE5F0;
$base-200: #D5CCE0;
$base-300: #B5A7C8;
$base-400: #9684AE;
$base-500: #776490;
$base-600: #5F5170;
$base-700: #463D51;
$base-800: #302A36;
$base-900: #1E1B22;
$base-hover: #352945;
$base-subtle: #C6BDD2;

{
    "color": {
        "base": {
            "value": "#423355",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F5F9",
                "type": "color"
            },
            "100": {
                "value": "#EAE5F0",
                "type": "color"
            },
            "200": {
                "value": "#D5CCE0",
                "type": "color"
            },
            "300": {
                "value": "#B5A7C8",
                "type": "color"
            },
            "400": {
                "value": "#9684AE",
                "type": "color"
            },
            "500": {
                "value": "#776490",
                "type": "color"
            },
            "600": {
                "value": "#5F5170",
                "type": "color"
            },
            "700": {
                "value": "#463D51",
                "type": "color"
            },
            "800": {
                "value": "#302A36",
                "type": "color"
            },
            "900": {
                "value": "#1E1B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #423355

Color Lab

Pairs with #423355

UI roles & guardrails

In real applications

Scales

Every model

Export