What color is #150342?

#150342 is a very dark, vivid indigo. In RGB it is rgb(21, 3, 66), and in HSL hsl(257, 91%, 14%).

Is #150342 accessible as text?

On white, #150342 has a contrast ratio of 18.69:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #150342, use white for the best readability.

What is the closest Tailwind color to #150342?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #150342?

#150342 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #324403. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #150342 below.

Is #150342 good for buttons?

#150342 works well for buttons and highlights, but use white text on #150342 — black text only reaches 1.12:1, below the 4.5:1 needed for normal-size labels.

Is #150342 the same as CSS midnightblue?

No — #150342 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.

#150342 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #150342

Not just a swatch — here's how #150342 works with other colors. Named schemes with #150342 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #150342 Anchor #141210 Accent #DB9757 Secondary #282833 Surface #F3ECE3

Navy 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 #150342 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #050012

Navy 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 Navy.

Coastal Morning Lead · 5 colors

Lead #150342 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Navy 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 #150342 Secondary #7E4533 Surface #EDD7C2 Accent #365247 Anchor #582238

Navy 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 #150342 Secondary #35344A Support #9D9088 Ink #18140F

Navy 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 Navy carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #150342 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 32/100

Cool

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

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 80/100

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 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 84/100

Very high

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

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 14/100

Very low

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

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #150342

For UI

For branding

For interior

For fashion

People also use #150342 with

Midnight Blue Deep Purple British Racing Green Gainsboro Russian Violet

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 18.7:1. Use

Subtle surface Use #C7B6F0 for cards and hover fills. Tint 80

Avoid beside #2B0344 — 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 #150342 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: #150342;
  --color-base-rgb: 21 3 66;
  --color-base-oklch: oklch(19.7% 0.107 285.0);
  --color-50: #F4F0FE;
  --color-100: #E2D8FD;
  --color-200: #C6B1FB;
  --color-300: #9E7DF2;
  --color-400: #784EE4;
  --color-500: #582ACB;
  --color-600: #48289A;
  --color-700: #37236C;
  --color-800: #271B46;
  --color-900: #19122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F4F0FE',
    100: '#E2D8FD',
    200: '#C6B1FB',
    300: '#9E7DF2',
    400: '#784EE4',
    500: '#582ACB',
    600: '#48289A',
    700: '#37236C',
    800: '#271B46',
    900: '#19122B',
  },
}

$base: #150342;
$base-ink: #FFFFFF;
$base-50: #F4F0FE;
$base-100: #E2D8FD;
$base-200: #C6B1FB;
$base-300: #9E7DF2;
$base-400: #784EE4;
$base-500: #582ACB;
$base-600: #48289A;
$base-700: #37236C;
$base-800: #271B46;
$base-900: #19122B;
$base-hover: #110337;
$base-subtle: #A990EB;

{
    "color": {
        "base": {
            "value": "#150342",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E2D8FD",
                "type": "color"
            },
            "200": {
                "value": "#C6B1FB",
                "type": "color"
            },
            "300": {
                "value": "#9E7DF2",
                "type": "color"
            },
            "400": {
                "value": "#784EE4",
                "type": "color"
            },
            "500": {
                "value": "#582ACB",
                "type": "color"
            },
            "600": {
                "value": "#48289A",
                "type": "color"
            },
            "700": {
                "value": "#37236C",
                "type": "color"
            },
            "800": {
                "value": "#271B46",
                "type": "color"
            },
            "900": {
                "value": "#19122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #150342

Color Lab

Pairs with #150342

UI roles & guardrails

In real applications

Scales

Every model

Export