What color is #180940?

#180940 is a very dark, vivid indigo. In RGB it is rgb(24, 9, 64), and in HSL hsl(256, 75%, 14%).

Is #180940 accessible as text?

On white, #180940 has a contrast ratio of 18.23:1 (passes WCAG AA for body text); on black it is 1.15:1 (fails). For text placed on #180940, use white for the best readability.

What is the closest Tailwind color to #180940?

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

What colors go well with #180940?

#180940 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #303E09. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #180940 below.

Is #180940 good for buttons?

#180940 works well for buttons and highlights, but use white text on #180940 — black text only reaches 1.15:1, below the 4.5:1 needed for normal-size labels.

Is #180940 the same as CSS midnightblue?

No — #180940 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.

#180940 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #180940

Not just a swatch — here's how #180940 works with other colors. Named schemes with #180940 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #180940 Anchor #141210 Accent #DB9757 Secondary #282732 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 #180940 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #060012

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 #180940 Accent #A5C4C3 Surface #E9D6BF 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 #180940 Secondary #7E4633 Surface #EDD8C2 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 #180940 Secondary #38374B 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 #180940 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 35/100

Cool

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

Softness 20/100

Very low

Firm and assertive — carries weight and contrast.

Depth 79/100

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 32/100

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 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 15/100

Very low

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

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #180940

For UI

For branding

For interior

For fashion

People also use #180940 with

Navy 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 18.2:1. Use

Subtle surface Use #C8BBEB for cards and hover fills. Tint 80

Avoid beside #29093E — 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 #180940 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: #180940;
  --color-base-rgb: 24 9 64;
  --color-base-oklch: oklch(20.7% 0.096 287.2);
  --color-50: #F4F1FE;
  --color-100: #E3DAFB;
  --color-200: #C8B8F5;
  --color-300: #A187E8;
  --color-400: #7C5BD7;
  --color-500: #5C38BC;
  --color-600: #4B3290;
  --color-700: #392966;
  --color-800: #281E42;
  --color-900: #1A1429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F4F1FE',
    100: '#E3DAFB',
    200: '#C8B8F5',
    300: '#A187E8',
    400: '#7C5BD7',
    500: '#5C38BC',
    600: '#4B3290',
    700: '#392966',
    800: '#281E42',
    900: '#1A1429',
  },
}

$base: #180940;
$base-ink: #FFFFFF;
$base-50: #F4F1FE;
$base-100: #E3DAFB;
$base-200: #C8B8F5;
$base-300: #A187E8;
$base-400: #7C5BD7;
$base-500: #5C38BC;
$base-600: #4B3290;
$base-700: #392966;
$base-800: #281E42;
$base-900: #1A1429;
$base-hover: #130732;
$base-subtle: #AC98E3;

{
    "color": {
        "base": {
            "value": "#180940",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E3DAFB",
                "type": "color"
            },
            "200": {
                "value": "#C8B8F5",
                "type": "color"
            },
            "300": {
                "value": "#A187E8",
                "type": "color"
            },
            "400": {
                "value": "#7C5BD7",
                "type": "color"
            },
            "500": {
                "value": "#5C38BC",
                "type": "color"
            },
            "600": {
                "value": "#4B3290",
                "type": "color"
            },
            "700": {
                "value": "#392966",
                "type": "color"
            },
            "800": {
                "value": "#281E42",
                "type": "color"
            },
            "900": {
                "value": "#1A1429",
                "type": "color"
            }
        }
    }
}

Palettes built on #180940

Color Lab

Pairs with #180940

UI roles & guardrails

In real applications

Scales

Every model

Export