What color is #142F4E?

#142F4E is a dark blue. In RGB it is rgb(20, 47, 78), and in HSL hsl(212, 59%, 19%).

Is #142F4E accessible as text?

On white, #142F4E has a contrast ratio of 13.58:1 (passes WCAG AA for body text); on black it is 1.55:1 (fails). For text placed on #142F4E, use white for the best readability.

What is the closest Tailwind color to #142F4E?

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

What colors go well with #142F4E?

#142F4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4D3214. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #142F4E below.

Is #142F4E good for buttons?

#142F4E works well for buttons and highlights, but use white text on #142F4E — black text only reaches 1.55:1, below the 4.5:1 needed for normal-size labels.

Is #142F4E the same as CSS midnightblue?

No — #142F4E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#142F4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #142F4E

Not just a swatch — here's how #142F4E works with other colors. Named schemes with #142F4E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #142F4E 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 #142F4E 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 #142F4E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #364F6D

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 #142F4E Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

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 #142F4E Secondary #4A5460 Support #9D8F89 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 #142F4E 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 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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 25/100

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 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #142F4E

For UI

For branding

For interior

For fashion

People also use #142F4E 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 13.6:1. Use

Subtle surface Use #C4D5E7 for cards and hover fills. Tint 80

Avoid beside #141B4D — 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 #142F4E at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #142F4E;
  --color-base-rgb: 20 47 78;
  --color-base-oklch: oklch(30.1% 0.065 253.5);
  --color-50: #F2F7FC;
  --color-100: #DEEAF7;
  --color-200: #BED5EE;
  --color-300: #92B5DE;
  --color-400: #6896CA;
  --color-500: #4677AE;
  --color-600: #3C5E86;
  --color-700: #30465F;
  --color-800: #22303F;
  --color-900: #171E27;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F2F7FC',
    100: '#DEEAF7',
    200: '#BED5EE',
    300: '#92B5DE',
    400: '#6896CA',
    500: '#4677AE',
    600: '#3C5E86',
    700: '#30465F',
    800: '#22303F',
    900: '#171E27',
  },
}

$base: #142F4E;
$base-ink: #FFFFFF;
$base-50: #F2F7FC;
$base-100: #DEEAF7;
$base-200: #BED5EE;
$base-300: #92B5DE;
$base-400: #6896CA;
$base-500: #4677AE;
$base-600: #3C5E86;
$base-700: #30465F;
$base-800: #22303F;
$base-900: #171E27;
$base-hover: #10253E;
$base-subtle: #A5BFDD;

{
    "color": {
        "base": {
            "value": "#142F4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DEEAF7",
                "type": "color"
            },
            "200": {
                "value": "#BED5EE",
                "type": "color"
            },
            "300": {
                "value": "#92B5DE",
                "type": "color"
            },
            "400": {
                "value": "#6896CA",
                "type": "color"
            },
            "500": {
                "value": "#4677AE",
                "type": "color"
            },
            "600": {
                "value": "#3C5E86",
                "type": "color"
            },
            "700": {
                "value": "#30465F",
                "type": "color"
            },
            "800": {
                "value": "#22303F",
                "type": "color"
            },
            "900": {
                "value": "#171E27",
                "type": "color"
            }
        }
    }
}