What color is #150573?

#150573 is a dark, vivid indigo. In RGB it is rgb(21, 5, 115), and in HSL hsl(249, 92%, 24%).

Is #150573 accessible as text?

On white, #150573 has a contrast ratio of 16.14:1 (passes WCAG AA for body text); on black it is 1.30:1 (fails). For text placed on #150573, use white for the best readability.

What is the closest Tailwind color to #150573?

The nearest Tailwind CSS token is violet-950 (#2F0D68).

What colors go well with #150573?

#150573 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #657605. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #150573 below.

Is #150573 good for buttons?

#150573 works well for buttons and highlights, but use white text on #150573 — black text only reaches 1.30:1, below the 4.5:1 needed for normal-size labels.

Is #150573 the same as CSS midnightblue?

No — #150573 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#150573 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #150573

Not just a swatch — here's how #150573 works with other colors. Named schemes with #150573 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #150573 Anchor #141210 Accent #DC9659 Secondary #252833 Surface #F3ECE3

Midnight Blue 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.

Moody Editorial Color · 5 colors

Color #150573 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #100035

Midnight Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Midnight Blue.

Coastal Morning Lead · 5 colors

Lead #150573 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Vintage Leather Lead · 5 colors

Lead #150573 Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #150573 Secondary #3F4769 Support #9D8F88 Ink #18140F

Midnight Blue 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 Midnight Blue carrying the quiet middle.

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Color Lab

How #150573 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 14/100

Cool

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

Softness 20/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 73/100

High

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

Brand distinctiveness 63/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 29/100

Low

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

Surface fit 23/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #150573

For UI

For branding

For interior

For fashion

People also use #150573 with

Cobalt Blue Indigo Dark Olive Green Gainsboro Prussian Blue

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 16.1:1. Use

Subtle surface Use #C6BFF2 for cards and hover fills. Tint 80

Avoid beside #3B0576 — 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 #150573 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: #150573;
  --color-base-rgb: 21 5 115;
  --color-base-oklch: oklch(26.6% 0.164 272.3);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BCB1FC;
  --color-300: #8E7CF3;
  --color-400: #644DE5;
  --color-500: #4229CB;
  --color-600: #39289A;
  --color-700: #2D226D;
  --color-800: #211A47;
  --color-900: #16122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BCB1FC',
    300: '#8E7CF3',
    400: '#644DE5',
    500: '#4229CB',
    600: '#39289A',
    700: '#2D226D',
    800: '#211A47',
    900: '#16122B',
  },
}

$base: #150573;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BCB1FC;
$base-300: #8E7CF3;
$base-400: #644DE5;
$base-500: #4229CB;
$base-600: #39289A;
$base-700: #2D226D;
$base-800: #211A47;
$base-900: #16122B;
$base-hover: #11045E;
$base-subtle: #A89CEE;

{
    "color": {
        "base": {
            "value": "#150573",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BCB1FC",
                "type": "color"
            },
            "300": {
                "value": "#8E7CF3",
                "type": "color"
            },
            "400": {
                "value": "#644DE5",
                "type": "color"
            },
            "500": {
                "value": "#4229CB",
                "type": "color"
            },
            "600": {
                "value": "#39289A",
                "type": "color"
            },
            "700": {
                "value": "#2D226D",
                "type": "color"
            },
            "800": {
                "value": "#211A47",
                "type": "color"
            },
            "900": {
                "value": "#16122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #150573

Color Lab

Pairs with #150573

UI roles & guardrails

In real applications

Scales

Every model

Export