What color is #1D2E4E?

#1D2E4E is a dark blue. In RGB it is rgb(29, 46, 78), and in HSL hsl(219, 46%, 21%).

Is #1D2E4E accessible as text?

On white, #1D2E4E has a contrast ratio of 13.52:1 (passes WCAG AA for body text); on black it is 1.55:1 (fails). For text placed on #1D2E4E, use white for the best readability.

What is the closest Tailwind color to #1D2E4E?

The nearest Tailwind CSS token is sky-950 (#052F4A).

What colors go well with #1D2E4E?

#1D2E4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4E3D1D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1D2E4E below.

Is #1D2E4E good for buttons?

#1D2E4E works well for buttons and highlights, but use white text on #1D2E4E — black text only reaches 1.55:1, below the 4.5:1 needed for normal-size labels.

Is #1D2E4E the same as CSS midnightblue?

No — #1D2E4E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#1D2E4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1D2E4E

Not just a swatch — here's how #1D2E4E works with other colors. Named schemes with #1D2E4E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1D2E4E Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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 #1D2E4E 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 #1D2E4E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3D4E6D

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 #1D2E4E 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 #F8F4EF Accent #1D2E4E Secondary #4D5460 Support #9D8F88 Ink #18140F

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 #1D2E4E 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 34/100

Cool

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 70/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 32/100

Low

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1D2E4E

For UI

For branding

For interior

For fashion

People also use #1D2E4E with

Feldgrau Russian Violet 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 13.5:1. Use

Subtle surface Use #C9D3E4 for cards and hover fills. Tint 80

Avoid beside #1D1E4E — 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 #1D2E4E 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: #1D2E4E;
  --color-base-rgb: 29 46 78;
  --color-base-oklch: oklch(30.4% 0.062 262.1);
  --color-50: #F3F6FB;
  --color-100: #E1E8F5;
  --color-200: #C4D1E9;
  --color-300: #9AAFD5;
  --color-400: #738EBF;
  --color-500: #526EA3;
  --color-600: #44587E;
  --color-700: #35425A;
  --color-800: #252D3C;
  --color-900: #181D25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F3F6FB',
    100: '#E1E8F5',
    200: '#C4D1E9',
    300: '#9AAFD5',
    400: '#738EBF',
    500: '#526EA3',
    600: '#44587E',
    700: '#35425A',
    800: '#252D3C',
    900: '#181D25',
  },
}

$base: #1D2E4E;
$base-ink: #FFFFFF;
$base-50: #F3F6FB;
$base-100: #E1E8F5;
$base-200: #C4D1E9;
$base-300: #9AAFD5;
$base-400: #738EBF;
$base-500: #526EA3;
$base-600: #44587E;
$base-700: #35425A;
$base-800: #252D3C;
$base-900: #181D25;
$base-hover: #17253F;
$base-subtle: #ADBCD8;

{
    "color": {
        "base": {
            "value": "#1D2E4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F6FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E8F5",
                "type": "color"
            },
            "200": {
                "value": "#C4D1E9",
                "type": "color"
            },
            "300": {
                "value": "#9AAFD5",
                "type": "color"
            },
            "400": {
                "value": "#738EBF",
                "type": "color"
            },
            "500": {
                "value": "#526EA3",
                "type": "color"
            },
            "600": {
                "value": "#44587E",
                "type": "color"
            },
            "700": {
                "value": "#35425A",
                "type": "color"
            },
            "800": {
                "value": "#252D3C",
                "type": "color"
            },
            "900": {
                "value": "#181D25",
                "type": "color"
            }
        }
    }
}