What color is #1A2A42?

#1A2A42 is a dark blue. In RGB it is rgb(26, 42, 66), and in HSL hsl(216, 43%, 18%).

Is #1A2A42 accessible as text?

On white, #1A2A42 has a contrast ratio of 14.45:1 (passes WCAG AA for body text); on black it is 1.45:1 (fails). For text placed on #1A2A42, use white for the best readability.

What is the closest Tailwind color to #1A2A42?

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

What colors go well with #1A2A42?

#1A2A42 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #42321A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1A2A42 below.

Is #1A2A42 good for buttons?

#1A2A42 works well for buttons and highlights, but use white text on #1A2A42 — black text only reaches 1.45:1, below the 4.5:1 needed for normal-size labels.

Is #1A2A42 the same as CSS midnightblue?

No — #1A2A42 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#1A2A42 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1A2A42

Not just a swatch — here's how #1A2A42 works with other colors. Named schemes with #1A2A42 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1A2A42 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 #1A2A42 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 #1A2A42 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3A4961

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 #1A2A42 Secondary #7F4537 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 #1A2A42 Secondary #484E58 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 #1A2A42 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 69/100

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 29/100

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 19/100

Very low

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

UI accent fit 25/100

Low

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

Surface fit 52/100

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 #1A2A42

For UI

For branding

For interior

For fashion

People also use #1A2A42 with

Dark Slate Gray 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 14.4:1. Use

Subtle surface Use #C8D3E2 for cards and hover fills. Tint 80

Avoid beside #1A1D42 — 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 #1A2A42 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: #1A2A42;
  --color-base-rgb: 26 42 66;
  --color-base-oklch: oklch(28.3% 0.049 258.3);
  --color-50: #F4F7FB;
  --color-100: #E1E9F4;
  --color-200: #C5D3E8;
  --color-300: #9CB2D3;
  --color-400: #7592BD;
  --color-500: #5573A0;
  --color-600: #465C7C;
  --color-700: #364459;
  --color-800: #262E3B;
  --color-900: #191D24;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F4F7FB',
    100: '#E1E9F4',
    200: '#C5D3E8',
    300: '#9CB2D3',
    400: '#7592BD',
    500: '#5573A0',
    600: '#465C7C',
    700: '#364459',
    800: '#262E3B',
    900: '#191D24',
  },
}

$base: #1A2A42;
$base-ink: #FFFFFF;
$base-50: #F4F7FB;
$base-100: #E1E9F4;
$base-200: #C5D3E8;
$base-300: #9CB2D3;
$base-400: #7592BD;
$base-500: #5573A0;
$base-600: #465C7C;
$base-700: #364459;
$base-800: #262E3B;
$base-900: #191D24;
$base-hover: #152235;
$base-subtle: #ACBCD5;

{
    "color": {
        "base": {
            "value": "#1A2A42",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E9F4",
                "type": "color"
            },
            "200": {
                "value": "#C5D3E8",
                "type": "color"
            },
            "300": {
                "value": "#9CB2D3",
                "type": "color"
            },
            "400": {
                "value": "#7592BD",
                "type": "color"
            },
            "500": {
                "value": "#5573A0",
                "type": "color"
            },
            "600": {
                "value": "#465C7C",
                "type": "color"
            },
            "700": {
                "value": "#364459",
                "type": "color"
            },
            "800": {
                "value": "#262E3B",
                "type": "color"
            },
            "900": {
                "value": "#191D24",
                "type": "color"
            }
        }
    }
}