What color is #05263F?

#05263F is a very dark, vivid cyan-blue. In RGB it is rgb(5, 38, 63), and in HSL hsl(206, 85%, 13%).

Is #05263F accessible as text?

On white, #05263F has a contrast ratio of 15.49:1 (passes WCAG AA for body text); on black it is 1.36:1 (fails). For text placed on #05263F, use white for the best readability.

What is the closest Tailwind color to #05263F?

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

What colors go well with #05263F?

#05263F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3D1D05. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #05263F below.

Is #05263F good for buttons?

#05263F works well for buttons and highlights, but use white text on #05263F — black text only reaches 1.36:1, below the 4.5:1 needed for normal-size labels.

Is #05263F the same as CSS midnightblue?

No — #05263F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#05263F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #05263F

Not just a swatch — here's how #05263F works with other colors. Named schemes with #05263F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #05263F Accent #A5C4C0 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 #05263F 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 #05263F Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #29455D

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 #05263F Secondary #7F4438 Surface #E1DDC0 Accent #375245 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 #05263F Secondary #3F4953 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 #05263F 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 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 74/100

High

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

Brand distinctiveness 23/100

Low

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

UI accent fit 22/100

Low

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

Surface fit 50/100

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 #05263F

For UI

For branding

For interior

For fashion

People also use #05263F with

Hunter Green 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 15.5:1. Use

Subtle surface Use #B7D6EE for cards and hover fills. Tint 80

Avoid beside #05123D — 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 #05263F 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: #05263F;
  --color-base-rgb: 5 38 63;
  --color-base-oklch: oklch(26.0% 0.060 245.9);
  --color-50: #F0F8FE;
  --color-100: #D8EDFD;
  --color-200: #B4DBF9;
  --color-300: #81BFEE;
  --color-400: #53A2DF;
  --color-500: #3084C5;
  --color-600: #2C6896;
  --color-700: #254C6A;
  --color-800: #1C3345;
  --color-900: #13202A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F0F8FE',
    100: '#D8EDFD',
    200: '#B4DBF9',
    300: '#81BFEE',
    400: '#53A2DF',
    500: '#3084C5',
    600: '#2C6896',
    700: '#254C6A',
    800: '#1C3345',
    900: '#13202A',
  },
}

$base: #05263F;
$base-ink: #FFFFFF;
$base-50: #F0F8FE;
$base-100: #D8EDFD;
$base-200: #B4DBF9;
$base-300: #81BFEE;
$base-400: #53A2DF;
$base-500: #3084C5;
$base-600: #2C6896;
$base-700: #254C6A;
$base-800: #1C3345;
$base-900: #13202A;
$base-hover: #041E31;
$base-subtle: #91C2E7;

{
    "color": {
        "base": {
            "value": "#05263F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F8FE",
                "type": "color"
            },
            "100": {
                "value": "#D8EDFD",
                "type": "color"
            },
            "200": {
                "value": "#B4DBF9",
                "type": "color"
            },
            "300": {
                "value": "#81BFEE",
                "type": "color"
            },
            "400": {
                "value": "#53A2DF",
                "type": "color"
            },
            "500": {
                "value": "#3084C5",
                "type": "color"
            },
            "600": {
                "value": "#2C6896",
                "type": "color"
            },
            "700": {
                "value": "#254C6A",
                "type": "color"
            },
            "800": {
                "value": "#1C3345",
                "type": "color"
            },
            "900": {
                "value": "#13202A",
                "type": "color"
            }
        }
    }
}