What color is #264E50?

#264E50 is a dark cyan. In RGB it is rgb(38, 78, 80), and in HSL hsl(183, 36%, 23%).

Is #264E50 accessible as text?

On white, #264E50 has a contrast ratio of 9.18:1 (passes WCAG AA for body text); on black it is 2.29:1 (fails). For text placed on #264E50, use white for the best readability.

What is the closest Tailwind color to #264E50?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #264E50?

#264E50 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #502826. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #264E50 below.

Is #264E50 good for buttons?

#264E50 works well for buttons and highlights, but use white text on #264E50 — black text only reaches 2.29:1, below the 4.5:1 needed for normal-size labels.

Is #264E50 the same as CSS darkslategray?

No — #264E50 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#264E50 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #264E50

Not just a swatch — here's how #264E50 works with other colors. Named schemes with #264E50 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #264E50 Accent #A6C4BD Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Dark Slate Gray 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 #264E50 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Dark Slate Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #264E50 Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

Dark Slate Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #264E50 Anchor #382C1D Surface #EBE4D0 Accent #809D72 Secondary #3A3933

Dark Slate Gray anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #264E50 Secondary #637071 Support #979286 Ink #16140F

Dark Slate Gray 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 Dark Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #264E50 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 38/100

Neutral

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

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

Brand distinctiveness 17/100

Very low

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

UI accent fit 51/100

Moderate

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #264E50

For UI

For branding

For interior

For fashion

People also use #264E50 with

Hunter Green Gunmetal Gray Bistre Platinum Dark Slate 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 9.2:1. Use

Subtle surface Use #CEE1E2 for cards and hover fills. Tint 80

Avoid beside #264050 — 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 #264E50 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: #264E50;
  --color-base-rgb: 38 78 80;
  --color-base-oklch: oklch(39.6% 0.045 199.8);
  --color-50: #F4FAFA;
  --color-100: #E3F2F2;
  --color-200: #C8E3E5;
  --color-300: #A0CDCF;
  --color-400: #7BB4B7;
  --color-500: #5B979A;
  --color-600: #4A7577;
  --color-700: #395456;
  --color-800: #283839;
  --color-900: #1A2323;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4FAFA',
    100: '#E3F2F2',
    200: '#C8E3E5',
    300: '#A0CDCF',
    400: '#7BB4B7',
    500: '#5B979A',
    600: '#4A7577',
    700: '#395456',
    800: '#283839',
    900: '#1A2323',
  },
}

$base: #264E50;
$base-ink: #FFFFFF;
$base-50: #F4FAFA;
$base-100: #E3F2F2;
$base-200: #C8E3E5;
$base-300: #A0CDCF;
$base-400: #7BB4B7;
$base-500: #5B979A;
$base-600: #4A7577;
$base-700: #395456;
$base-800: #283839;
$base-900: #1A2323;
$base-hover: #1E3E40;
$base-subtle: #B4D3D4;

{
    "color": {
        "base": {
            "value": "#264E50",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFA",
                "type": "color"
            },
            "100": {
                "value": "#E3F2F2",
                "type": "color"
            },
            "200": {
                "value": "#C8E3E5",
                "type": "color"
            },
            "300": {
                "value": "#A0CDCF",
                "type": "color"
            },
            "400": {
                "value": "#7BB4B7",
                "type": "color"
            },
            "500": {
                "value": "#5B979A",
                "type": "color"
            },
            "600": {
                "value": "#4A7577",
                "type": "color"
            },
            "700": {
                "value": "#395456",
                "type": "color"
            },
            "800": {
                "value": "#283839",
                "type": "color"
            },
            "900": {
                "value": "#1A2323",
                "type": "color"
            }
        }
    }
}

Palettes built on #264E50

Color Lab

Pairs with #264E50

UI roles & guardrails

In real applications

Scales

Every model

Export