What color is #050523?

#050523 is a very dark, vivid blue-violet. In RGB it is rgb(5, 5, 35), and in HSL hsl(240, 75%, 8%).

Is #050523 accessible as text?

On white, #050523 has a contrast ratio of 19.95:1 (passes WCAG AA for body text); on black it is 1.05:1 (fails). For text placed on #050523, use white for the best readability.

What is the closest Tailwind color to #050523?

The nearest Tailwind CSS token is mauve-950 (#0C090C).

What colors go well with #050523?

#050523 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #242405. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #050523 below.

Is #050523 good for buttons?

#050523 works well for buttons and highlights, but use white text on #050523 — black text only reaches 1.05:1, below the 4.5:1 needed for normal-size labels.

Is #050523 the same as CSS black?

No — #050523 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#050523 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #050523

Not just a swatch — here's how #050523 works with other colors. Named schemes with #050523 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #050523 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Jet Black 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 #050523 Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Jet Black 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 #050523 Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Jet Black 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 #050523 Anchor #141210 Accent #DC9659 Secondary #262833 Surface #F3ECE3

Jet Black 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 #050523 Secondary #262935 Support #9D9088 Ink #18140F

Jet Black 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 Jet Black carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #050523 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 37/100

Cool

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

Softness 15/100

Very low

Firm and assertive — carries weight and contrast.

Depth 83/100

Very 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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 83/100

Very high

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

Brand distinctiveness 24/100

Low

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

UI accent fit 6/100

Very low

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

Surface fit 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #050523

For UI

For branding

For interior

For fashion

People also use #050523 with

Prussian Blue Jet Black Graphite Gainsboro

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 20.0:1. Use

Subtle surface Use #B7B7E9 for cards and hover fills. Tint 80

Avoid beside #0F0524 — 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 #050523 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: #050523;
  --color-base-rgb: 5 5 35;
  --color-base-oklch: oklch(14.3% 0.063 275.1);
  --color-50: #F1F1FE;
  --color-100: #DADAFB;
  --color-200: #B8B8F5;
  --color-300: #8787E8;
  --color-400: #5B5BD7;
  --color-500: #3838BC;
  --color-600: #323290;
  --color-700: #292966;
  --color-800: #1E1E42;
  --color-900: #141429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1F1FE',
    100: '#DADAFB',
    200: '#B8B8F5',
    300: '#8787E8',
    400: '#5B5BD7',
    500: '#3838BC',
    600: '#323290',
    700: '#292966',
    800: '#1E1E42',
    900: '#141429',
  },
}

$base: #050523;
$base-ink: #FFFFFF;
$base-50: #F1F1FE;
$base-100: #DADAFB;
$base-200: #B8B8F5;
$base-300: #8787E8;
$base-400: #5B5BD7;
$base-500: #3838BC;
$base-600: #323290;
$base-700: #292966;
$base-800: #1E1E42;
$base-900: #141429;
$base-hover: #04041D;
$base-subtle: #9191E1;

{
    "color": {
        "base": {
            "value": "#050523",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F1FE",
                "type": "color"
            },
            "100": {
                "value": "#DADAFB",
                "type": "color"
            },
            "200": {
                "value": "#B8B8F5",
                "type": "color"
            },
            "300": {
                "value": "#8787E8",
                "type": "color"
            },
            "400": {
                "value": "#5B5BD7",
                "type": "color"
            },
            "500": {
                "value": "#3838BC",
                "type": "color"
            },
            "600": {
                "value": "#323290",
                "type": "color"
            },
            "700": {
                "value": "#292966",
                "type": "color"
            },
            "800": {
                "value": "#1E1E42",
                "type": "color"
            },
            "900": {
                "value": "#141429",
                "type": "color"
            }
        }
    }
}

Palettes built on #050523

Color Lab

Pairs with #050523

UI roles & guardrails

In real applications

Scales

Every model

Export