What color is #150528?

#150528 is a very dark, vivid violet. In RGB it is rgb(21, 5, 40), and in HSL hsl(267, 78%, 9%).

Is #150528 accessible as text?

On white, #150528 has a contrast ratio of 19.37:1 (passes WCAG AA for body text); on black it is 1.08:1 (fails). For text placed on #150528, use white for the best readability.

What is the closest Tailwind color to #150528?

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

What colors go well with #150528?

#150528 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #192905. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #150528 below.

Is #150528 good for buttons?

#150528 works well for buttons and highlights, but use white text on #150528 — black text only reaches 1.08:1, below the 4.5:1 needed for normal-size labels.

Is #150528 the same as CSS midnightblue?

No — #150528 is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#150528 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #150528

Not just a swatch — here's how #150528 works with other colors. Named schemes with #150528 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #150528 Accent #A5C4C4 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334B

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 #150528 Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 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 #150528 Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

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 #150528 Anchor #141210 Accent #DA9855 Secondary #2A2731 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 #150528 Secondary #322E3B Support #9C9088 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 #150528 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 43/100

Neutral

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

Softness 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

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 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 82/100

Very high

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

Brand distinctiveness 27/100

Low

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

UI accent fit 9/100

Very low

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

Surface fit 53/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #150528

For UI

For branding

For interior

For fashion

People also use #150528 with

Navy Deep Purple Graphite 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 19.4:1. Use

Subtle surface Use #CEB7EB for cards and hover fills. Tint 80

Avoid beside #210529 — 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 #150528 at work across the surfaces designers actually ship.

Website / UI

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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: #150528;
  --color-base-rgb: 21 5 40;
  --color-base-oklch: oklch(17.0% 0.069 300.7);
  --color-50: #F7F1FE;
  --color-100: #E9DAFB;
  --color-200: #D3B6F6;
  --color-300: #B385EA;
  --color-400: #9358DA;
  --color-500: #7436BF;
  --color-600: #5C3091;
  --color-700: #442867;
  --color-800: #2F1E43;
  --color-900: #1E1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F7F1FE',
    100: '#E9DAFB',
    200: '#D3B6F6',
    300: '#B385EA',
    400: '#9358DA',
    500: '#7436BF',
    600: '#5C3091',
    700: '#442867',
    800: '#2F1E43',
    900: '#1E1429',
  },
}

$base: #150528;
$base-ink: #FFFFFF;
$base-50: #F7F1FE;
$base-100: #E9DAFB;
$base-200: #D3B6F6;
$base-300: #B385EA;
$base-400: #9358DA;
$base-500: #7436BF;
$base-600: #5C3091;
$base-700: #442867;
$base-800: #2F1E43;
$base-900: #1E1429;
$base-hover: #110421;
$base-subtle: #B590E3;

{
    "color": {
        "base": {
            "value": "#150528",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E9DAFB",
                "type": "color"
            },
            "200": {
                "value": "#D3B6F6",
                "type": "color"
            },
            "300": {
                "value": "#B385EA",
                "type": "color"
            },
            "400": {
                "value": "#9358DA",
                "type": "color"
            },
            "500": {
                "value": "#7436BF",
                "type": "color"
            },
            "600": {
                "value": "#5C3091",
                "type": "color"
            },
            "700": {
                "value": "#442867",
                "type": "color"
            },
            "800": {
                "value": "#2F1E43",
                "type": "color"
            },
            "900": {
                "value": "#1E1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #150528

Color Lab

Pairs with #150528

UI roles & guardrails

In real applications

Scales

Every model

Export