What color is #11284D?

#11284D is a dark blue. In RGB it is rgb(17, 40, 77), and in HSL hsl(217, 64%, 18%).

Is #11284D accessible as text?

On white, #11284D has a contrast ratio of 14.64:1 (passes WCAG AA for body text); on black it is 1.43:1 (fails). For text placed on #11284D, use white for the best readability.

What is the closest Tailwind color to #11284D?

The nearest Tailwind CSS token is blue-950 (#162456).

What colors go well with #11284D?

#11284D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4B3511. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #11284D below.

Is #11284D good for buttons?

#11284D works well for buttons and highlights, but use white text on #11284D — black text only reaches 1.43:1, below the 4.5:1 needed for normal-size labels.

Is #11284D the same as CSS midnightblue?

No — #11284D is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#11284D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #11284D

Not just a swatch — here's how #11284D works with other colors. Named schemes with #11284D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #11284D Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Prussian Blue 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 #11284D Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Prussian Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #11284D Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #32486C

Prussian Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Prussian Blue.

Vintage Leather Lead · 5 colors

Lead #11284D Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Prussian 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 #F6F4EF Accent #11284D Secondary #454E5C Support #9D8F88 Ink #16140F

Prussian 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 Prussian Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #11284D 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 31/100

Cool

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 29/100

Low

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

UI accent fit 29/100

Low

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

Surface fit 44/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #11284D

For UI

For branding

For interior

For fashion

People also use #11284D with

Pine Green Navy Espresso Gainsboro Charcoal

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 14.6:1. Use

Subtle surface Use #C2D1E8 for cards and hover fills. Tint 80

Avoid beside #11134B — 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 #11284D 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: #11284D;
  --color-base-rgb: 17 40 77;
  --color-base-oklch: oklch(28.1% 0.074 259.5);
  --color-50: #F2F6FD;
  --color-100: #DDE7F8;
  --color-200: #BCD0F0;
  --color-300: #8EAEE1;
  --color-400: #648DCE;
  --color-500: #426DB3;
  --color-600: #395889;
  --color-700: #2E4161;
  --color-800: #212D40;
  --color-900: #161D27;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F2F6FD',
    100: '#DDE7F8',
    200: '#BCD0F0',
    300: '#8EAEE1',
    400: '#648DCE',
    500: '#426DB3',
    600: '#395889',
    700: '#2E4161',
    800: '#212D40',
    900: '#161D27',
  },
}

$base: #11284D;
$base-ink: #FFFFFF;
$base-50: #F2F6FD;
$base-100: #DDE7F8;
$base-200: #BCD0F0;
$base-300: #8EAEE1;
$base-400: #648DCE;
$base-500: #426DB3;
$base-600: #395889;
$base-700: #2E4161;
$base-800: #212D40;
$base-900: #161D27;
$base-hover: #0D1F3C;
$base-subtle: #A2B9DF;

{
    "color": {
        "base": {
            "value": "#11284D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F6FD",
                "type": "color"
            },
            "100": {
                "value": "#DDE7F8",
                "type": "color"
            },
            "200": {
                "value": "#BCD0F0",
                "type": "color"
            },
            "300": {
                "value": "#8EAEE1",
                "type": "color"
            },
            "400": {
                "value": "#648DCE",
                "type": "color"
            },
            "500": {
                "value": "#426DB3",
                "type": "color"
            },
            "600": {
                "value": "#395889",
                "type": "color"
            },
            "700": {
                "value": "#2E4161",
                "type": "color"
            },
            "800": {
                "value": "#212D40",
                "type": "color"
            },
            "900": {
                "value": "#161D27",
                "type": "color"
            }
        }
    }
}