What color is #24283C?

#24283C is a dark, muted blue-violet. In RGB it is rgb(36, 40, 60), and in HSL hsl(230, 25%, 19%).

Is #24283C accessible as text?

On white, #24283C has a contrast ratio of 14.55:1 (passes WCAG AA for body text); on black it is 1.44:1 (fails). For text placed on #24283C, use white for the best readability.

What is the closest Tailwind color to #24283C?

The nearest Tailwind CSS token is mauve-800 (#2A212C).

What colors go well with #24283C?

#24283C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3D3924. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #24283C below.

Is #24283C good for buttons?

#24283C works well for buttons and highlights, but use white text on #24283C — black text only reaches 1.44:1, below the 4.5:1 needed for normal-size labels.

Is #24283C the same as CSS midnightblue?

No — #24283C is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#24283C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #24283C

Not just a swatch — here's how #24283C works with other colors. Named schemes with #24283C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #24283C Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Gunmetal Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #24283C Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Gunmetal Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #24283C Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

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

Luxury Packaging Feature · 5 colors

Feature #24283C Anchor #141210 Accent #DC9659 Secondary #262833 Surface #F3ECE3

Gunmetal Gray 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 #24283C Secondary #4B4D55 Support #9D9088 Ink #18140F

Gunmetal Gray 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 Gunmetal Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #24283C 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 42/100

Neutral

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 22/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 55/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #24283C

For UI

For branding

For interior

For fashion

People also use #24283C with

Dark Slate Gray Russian Violet Espresso 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 14.5:1. Use

Subtle surface Use #CED1DD for cards and hover fills. Tint 80

Avoid beside #28243D — 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 #24283C at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #24283C;
  --color-base-rgb: 36 40 60;
  --color-base-oklch: oklch(28.3% 0.037 275.1);
  --color-50: #F5F6F9;
  --color-100: #E5E7F0;
  --color-200: #CCCFE0;
  --color-300: #A7ADC8;
  --color-400: #848BAE;
  --color-500: #646C90;
  --color-600: #515770;
  --color-700: #3D4151;
  --color-800: #2A2C36;
  --color-900: #1B1C22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F5F6F9',
    100: '#E5E7F0',
    200: '#CCCFE0',
    300: '#A7ADC8',
    400: '#848BAE',
    500: '#646C90',
    600: '#515770',
    700: '#3D4151',
    800: '#2A2C36',
    900: '#1B1C22',
  },
}

$base: #24283C;
$base-ink: #FFFFFF;
$base-50: #F5F6F9;
$base-100: #E5E7F0;
$base-200: #CCCFE0;
$base-300: #A7ADC8;
$base-400: #848BAE;
$base-500: #646C90;
$base-600: #515770;
$base-700: #3D4151;
$base-800: #2A2C36;
$base-900: #1B1C22;
$base-hover: #1D2030;
$base-subtle: #B5B9CD;

{
    "color": {
        "base": {
            "value": "#24283C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E5E7F0",
                "type": "color"
            },
            "200": {
                "value": "#CCCFE0",
                "type": "color"
            },
            "300": {
                "value": "#A7ADC8",
                "type": "color"
            },
            "400": {
                "value": "#848BAE",
                "type": "color"
            },
            "500": {
                "value": "#646C90",
                "type": "color"
            },
            "600": {
                "value": "#515770",
                "type": "color"
            },
            "700": {
                "value": "#3D4151",
                "type": "color"
            },
            "800": {
                "value": "#2A2C36",
                "type": "color"
            },
            "900": {
                "value": "#1B1C22",
                "type": "color"
            }
        }
    }
}