What color is #263E4A?

#263E4A is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(38, 62, 74), and in HSL hsl(200, 32%, 22%).

Is #263E4A accessible as text?

On white, #263E4A has a contrast ratio of 11.23:1 (passes WCAG AA for body text); on black it is 1.87:1 (fails). For text placed on #263E4A, use white for the best readability.

What is the closest Tailwind color to #263E4A?

The nearest Tailwind CSS token is gray-700 (#364153).

What colors go well with #263E4A?

As a neutral, #263E4A pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #263E4A the same as CSS darkslategray?

No — #263E4A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#263E4A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #263E4A

Not just a swatch — here's how #263E4A works with other colors. Named schemes with #263E4A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #263E4A Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Charcoal 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 #263E4A Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Charcoal 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 #263E4A Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #485E6A

Charcoal is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Charcoal.

Vintage Leather Lead · 5 colors

Lead #263E4A Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Charcoal 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 #263E4A Secondary #596266 Support #969386 Ink #16140F

Charcoal 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 Charcoal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #263E4A 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 39/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 64/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 37/100

Low

Workable accent with care around contrast.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #263E4A

For UI

For branding

For interior

For fashion

People also use #263E4A with

Feldgrau Prussian Blue Espresso Platinum 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 11.2:1. Use

Subtle surface Use #CEDAE0 for cards and hover fills. Tint 80

Avoid beside #26324A — 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 #263E4A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #263E4A;
  --color-base-rgb: 38 62 74;
  --color-base-oklch: oklch(34.9% 0.036 230.9);
  --color-50: #F5F8FA;
  --color-100: #E4EDF2;
  --color-200: #C9DBE3;
  --color-300: #A3BECC;
  --color-400: #7FA2B3;
  --color-500: #5E8497;
  --color-600: #4D6875;
  --color-700: #3A4C54;
  --color-800: #293338;
  --color-900: #1A2023;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F5F8FA',
    100: '#E4EDF2',
    200: '#C9DBE3',
    300: '#A3BECC',
    400: '#7FA2B3',
    500: '#5E8497',
    600: '#4D6875',
    700: '#3A4C54',
    800: '#293338',
    900: '#1A2023',
  },
}

$base: #263E4A;
$base-ink: #FFFFFF;
$base-50: #F5F8FA;
$base-100: #E4EDF2;
$base-200: #C9DBE3;
$base-300: #A3BECC;
$base-400: #7FA2B3;
$base-500: #5E8497;
$base-600: #4D6875;
$base-700: #3A4C54;
$base-800: #293338;
$base-900: #1A2023;
$base-hover: #1F323B;
$base-subtle: #B5C8D2;

{
    "color": {
        "base": {
            "value": "#263E4A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E4EDF2",
                "type": "color"
            },
            "200": {
                "value": "#C9DBE3",
                "type": "color"
            },
            "300": {
                "value": "#A3BECC",
                "type": "color"
            },
            "400": {
                "value": "#7FA2B3",
                "type": "color"
            },
            "500": {
                "value": "#5E8497",
                "type": "color"
            },
            "600": {
                "value": "#4D6875",
                "type": "color"
            },
            "700": {
                "value": "#3A4C54",
                "type": "color"
            },
            "800": {
                "value": "#293338",
                "type": "color"
            },
            "900": {
                "value": "#1A2023",
                "type": "color"
            }
        }
    }
}