What color is #423151?

#423151 is a dark, muted violet. In RGB it is rgb(66, 49, 81), and in HSL hsl(272, 25%, 25%).

Is #423151 accessible as text?

On white, #423151 has a contrast ratio of 11.73:1 (passes WCAG AA for body text); on black it is 1.79:1 (fails). For text placed on #423151, use white for the best readability.

What is the closest Tailwind color to #423151?

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

What colors go well with #423151?

#423151 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F5030. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #423151 below.

Is #423151 good for buttons?

#423151 works well for buttons and highlights, but use white text on #423151 — black text only reaches 1.79:1, below the 4.5:1 needed for normal-size labels.

Is #423151 the same as CSS darkslategray?

No — #423151 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#423151 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #423151

Not just a swatch — here's how #423151 works with other colors. Named schemes with #423151 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #423151 Secondary #7E4631 Surface #EDD8C1 Accent #355249 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 #423151 Surface #F2E8DC 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 #423151 Anchor #141210 Accent #D99955 Secondary #2C2631 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 #423151 Secondary #635D69 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 #423151 Surface #F5E6D7 Anchor #5C213F 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 #423151 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 46/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

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 67/100

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 42/100

Moderate

Workable accent with care around contrast.

Surface fit 45/100

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 #423151

For UI

For branding

For interior

For fashion

People also use #423151 with

Charcoal 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 11.7:1. Use

Subtle surface Use #D9D2E0 for cards and hover fills. Tint 80

Avoid beside #4B3050 — 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 #423151 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: #423151;
  --color-base-rgb: 66 49 81;
  --color-base-oklch: oklch(34.6% 0.058 308.0);
  --color-50: #F7F5F9;
  --color-100: #EBE5F0;
  --color-200: #D7CCE0;
  --color-300: #B9A7C8;
  --color-400: #9A84AE;
  --color-500: #7C6490;
  --color-600: #625170;
  --color-700: #483D51;
  --color-800: #312A36;
  --color-900: #1F1B22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F5F9',
    100: '#EBE5F0',
    200: '#D7CCE0',
    300: '#B9A7C8',
    400: '#9A84AE',
    500: '#7C6490',
    600: '#625170',
    700: '#483D51',
    800: '#312A36',
    900: '#1F1B22',
  },
}

$base: #423151;
$base-ink: #FFFFFF;
$base-50: #F7F5F9;
$base-100: #EBE5F0;
$base-200: #D7CCE0;
$base-300: #B9A7C8;
$base-400: #9A84AE;
$base-500: #7C6490;
$base-600: #625170;
$base-700: #483D51;
$base-800: #312A36;
$base-900: #1F1B22;
$base-hover: #342640;
$base-subtle: #C6BBD1;

{
    "color": {
        "base": {
            "value": "#423151",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F5F9",
                "type": "color"
            },
            "100": {
                "value": "#EBE5F0",
                "type": "color"
            },
            "200": {
                "value": "#D7CCE0",
                "type": "color"
            },
            "300": {
                "value": "#B9A7C8",
                "type": "color"
            },
            "400": {
                "value": "#9A84AE",
                "type": "color"
            },
            "500": {
                "value": "#7C6490",
                "type": "color"
            },
            "600": {
                "value": "#625170",
                "type": "color"
            },
            "700": {
                "value": "#483D51",
                "type": "color"
            },
            "800": {
                "value": "#312A36",
                "type": "color"
            },
            "900": {
                "value": "#1F1B22",
                "type": "color"
            }
        }
    }
}

Palettes built on #423151

Color Lab

Pairs with #423151

UI roles & guardrails

In real applications

Scales

Every model

Export