What color is #264E6D?

#264E6D is a dark cyan-blue. In RGB it is rgb(38, 78, 109), and in HSL hsl(206, 48%, 29%).

Is #264E6D accessible as text?

On white, #264E6D has a contrast ratio of 8.78:1 (passes WCAG AA for body text); on black it is 2.39:1 (fails). For text placed on #264E6D, use white for the best readability.

What is the closest Tailwind color to #264E6D?

The nearest Tailwind CSS token is cyan-900 (#104E64).

What colors go well with #264E6D?

#264E6D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6D4526. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #264E6D below.

Is #264E6D good for buttons?

#264E6D works well for buttons and highlights, but use white text on #264E6D — black text only reaches 2.39:1, below the 4.5:1 needed for normal-size labels.

Is #264E6D the same as CSS darkslategray?

No — #264E6D is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#264E6D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #264E6D

Not just a swatch — here's how #264E6D works with other colors. Named schemes with #264E6D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #264E6D Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #20344A

Classic 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 #264E6D Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Classic 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 #264E6D Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4C708D

Classic 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 Classic Blue.

Vintage Leather Lead · 5 colors

Lead #264E6D Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233C

Classic 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 #264E6D Secondary #66737F Support #969386 Ink #16140F

Classic 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 Classic Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #264E6D 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 30/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 62/100

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 63/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 37/100

Low

Usable as a tinted surface in measured doses.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #264E6D

For UI

For branding

For interior

For fashion

People also use #264E6D with

Dark Cyan Midnight Blue Sepia 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 8.8:1. Use

Subtle surface Use #CEDCE7 for cards and hover fills. Tint 80

Avoid beside #26376D — 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 #264E6D 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: #264E6D;
  --color-base-rgb: 38 78 109;
  --color-base-oklch: oklch(41.0% 0.069 244.1);
  --color-50: #F3F8FB;
  --color-100: #E0ECF5;
  --color-200: #C3D9EA;
  --color-300: #99BCD7;
  --color-400: #719EC1;
  --color-500: #5080A5;
  --color-600: #43657F;
  --color-700: #344A5B;
  --color-800: #25323C;
  --color-900: #181F25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F3F8FB',
    100: '#E0ECF5',
    200: '#C3D9EA',
    300: '#99BCD7',
    400: '#719EC1',
    500: '#5080A5',
    600: '#43657F',
    700: '#344A5B',
    800: '#25323C',
    900: '#181F25',
  },
}

$base: #264E6D;
$base-ink: #FFFFFF;
$base-50: #F3F8FB;
$base-100: #E0ECF5;
$base-200: #C3D9EA;
$base-300: #99BCD7;
$base-400: #719EC1;
$base-500: #5080A5;
$base-600: #43657F;
$base-700: #344A5B;
$base-800: #25323C;
$base-900: #181F25;
$base-hover: #1F3F58;
$base-subtle: #B5CBDC;

{
    "color": {
        "base": {
            "value": "#264E6D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E0ECF5",
                "type": "color"
            },
            "200": {
                "value": "#C3D9EA",
                "type": "color"
            },
            "300": {
                "value": "#99BCD7",
                "type": "color"
            },
            "400": {
                "value": "#719EC1",
                "type": "color"
            },
            "500": {
                "value": "#5080A5",
                "type": "color"
            },
            "600": {
                "value": "#43657F",
                "type": "color"
            },
            "700": {
                "value": "#344A5B",
                "type": "color"
            },
            "800": {
                "value": "#25323C",
                "type": "color"
            },
            "900": {
                "value": "#181F25",
                "type": "color"
            }
        }
    }
}