What color is #142C3D?

#142C3D is a very dark cyan-blue. In RGB it is rgb(20, 44, 61), and in HSL hsl(205, 51%, 16%).

Is #142C3D accessible as text?

On white, #142C3D has a contrast ratio of 14.41:1 (passes WCAG AA for body text); on black it is 1.46:1 (fails). For text placed on #142C3D, use white for the best readability.

What is the closest Tailwind color to #142C3D?

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

What colors go well with #142C3D?

#142C3D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3E2514. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #142C3D below.

Is #142C3D good for buttons?

#142C3D works well for buttons and highlights, but use white text on #142C3D — black text only reaches 1.46:1, below the 4.5:1 needed for normal-size labels.

Is #142C3D the same as CSS midnightblue?

No — #142C3D is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#142C3D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #142C3D

Not just a swatch — here's how #142C3D works with other colors. Named schemes with #142C3D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #142C3D Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #142C3D Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #142C3D Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #354B5C

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 #142C3D Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

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 #142C3D Secondary #474F55 Support #969386 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 #142C3D 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 37/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 27/100

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 17/100

Very low

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

UI accent fit 24/100

Low

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

Surface fit 53/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #142C3D

For UI

For branding

For interior

For fashion

People also use #142C3D with

Dark Slate Gray Navy Bistre 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 14.4:1. Use

Subtle surface Use #C4D7E4 for cards and hover fills. Tint 80

Avoid beside #141E3E — 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 #142C3D 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: #142C3D;
  --color-base-rgb: 20 44 61;
  --color-base-oklch: oklch(28.2% 0.044 241.4);
  --color-50: #F3F8FC;
  --color-100: #E0ECF6;
  --color-200: #C1DAEB;
  --color-300: #97BDD9;
  --color-400: #6FA0C3;
  --color-500: #4E82A7;
  --color-600: #416681;
  --color-700: #334B5C;
  --color-800: #24323D;
  --color-900: #182026;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F3F8FC',
    100: '#E0ECF6',
    200: '#C1DAEB',
    300: '#97BDD9',
    400: '#6FA0C3',
    500: '#4E82A7',
    600: '#416681',
    700: '#334B5C',
    800: '#24323D',
    900: '#182026',
  },
}

$base: #142C3D;
$base-ink: #FFFFFF;
$base-50: #F3F8FC;
$base-100: #E0ECF6;
$base-200: #C1DAEB;
$base-300: #97BDD9;
$base-400: #6FA0C3;
$base-500: #4E82A7;
$base-600: #416681;
$base-700: #334B5C;
$base-800: #24323D;
$base-900: #182026;
$base-hover: #102331;
$base-subtle: #A6C3D8;

{
    "color": {
        "base": {
            "value": "#142C3D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FC",
                "type": "color"
            },
            "100": {
                "value": "#E0ECF6",
                "type": "color"
            },
            "200": {
                "value": "#C1DAEB",
                "type": "color"
            },
            "300": {
                "value": "#97BDD9",
                "type": "color"
            },
            "400": {
                "value": "#6FA0C3",
                "type": "color"
            },
            "500": {
                "value": "#4E82A7",
                "type": "color"
            },
            "600": {
                "value": "#416681",
                "type": "color"
            },
            "700": {
                "value": "#334B5C",
                "type": "color"
            },
            "800": {
                "value": "#24323D",
                "type": "color"
            },
            "900": {
                "value": "#182026",
                "type": "color"
            }
        }
    }
}