What color is #1B264F?

#1B264F is a dark blue. In RGB it is rgb(27, 38, 79), and in HSL hsl(227, 49%, 21%).

Is #1B264F accessible as text?

On white, #1B264F has a contrast ratio of 14.62:1 (passes WCAG AA for body text); on black it is 1.44:1 (fails). For text placed on #1B264F, use white for the best readability.

What is the closest Tailwind color to #1B264F?

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

What colors go well with #1B264F?

#1B264F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #50441B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1B264F below.

Is #1B264F good for buttons?

#1B264F works well for buttons and highlights, but use white text on #1B264F — black text only reaches 1.44:1, below the 4.5:1 needed for normal-size labels.

Is #1B264F the same as CSS midnightblue?

No — #1B264F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#1B264F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1B264F

Not just a swatch — here's how #1B264F works with other colors. Named schemes with #1B264F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1B264F Accent #A5C4C2 Surface #EAD5C0 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 #1B264F Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 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 #1B264F Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #3A466E

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 #1B264F Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

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 #1B264F Secondary #484E5D 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 #1B264F 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 33/100

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 36/100

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 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1B264F

For UI

For branding

For interior

For fashion

People also use #1B264F with

Feldgrau Russian Violet Army Green Gainsboro Gunmetal Gray

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 #C8CFE5 for cards and hover fills. Tint 80

Avoid beside #211B50 — 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 #1B264F 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: #1B264F;
  --color-base-rgb: 27 38 79;
  --color-base-oklch: oklch(28.3% 0.076 269.7);
  --color-50: #F3F5FB;
  --color-100: #E0E5F5;
  --color-200: #C2CBEA;
  --color-300: #98A6D7;
  --color-400: #7082C2;
  --color-500: #4F62A6;
  --color-600: #42507F;
  --color-700: #343C5B;
  --color-800: #252A3C;
  --color-900: #181B25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F3F5FB',
    100: '#E0E5F5',
    200: '#C2CBEA',
    300: '#98A6D7',
    400: '#7082C2',
    500: '#4F62A6',
    600: '#42507F',
    700: '#343C5B',
    800: '#252A3C',
    900: '#181B25',
  },
}

$base: #1B264F;
$base-ink: #FFFFFF;
$base-50: #F3F5FB;
$base-100: #E0E5F5;
$base-200: #C2CBEA;
$base-300: #98A6D7;
$base-400: #7082C2;
$base-500: #4F62A6;
$base-600: #42507F;
$base-700: #343C5B;
$base-800: #252A3C;
$base-900: #181B25;
$base-hover: #161F40;
$base-subtle: #ACB6D9;

{
    "color": {
        "base": {
            "value": "#1B264F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F5FB",
                "type": "color"
            },
            "100": {
                "value": "#E0E5F5",
                "type": "color"
            },
            "200": {
                "value": "#C2CBEA",
                "type": "color"
            },
            "300": {
                "value": "#98A6D7",
                "type": "color"
            },
            "400": {
                "value": "#7082C2",
                "type": "color"
            },
            "500": {
                "value": "#4F62A6",
                "type": "color"
            },
            "600": {
                "value": "#42507F",
                "type": "color"
            },
            "700": {
                "value": "#343C5B",
                "type": "color"
            },
            "800": {
                "value": "#252A3C",
                "type": "color"
            },
            "900": {
                "value": "#181B25",
                "type": "color"
            }
        }
    }
}