What color is #13545F?

#13545F is a dark cyan. In RGB it is rgb(19, 84, 95), and in HSL hsl(189, 67%, 22%).

Is #13545F accessible as text?

On white, #13545F has a contrast ratio of 8.53:1 (passes WCAG AA for body text); on black it is 2.46:1 (fails). For text placed on #13545F, use white for the best readability.

What is the closest Tailwind color to #13545F?

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

What colors go well with #13545F?

#13545F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5E1E13. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #13545F below.

Is #13545F good for buttons?

#13545F works well for buttons and highlights, but use white text on #13545F — black text only reaches 2.46:1, below the 4.5:1 needed for normal-size labels.

Is #13545F the same as CSS darkslategray?

No — #13545F is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#13545F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #13545F

Not just a swatch — here's how #13545F works with other colors. Named schemes with #13545F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #13545F Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

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 #13545F 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.

Tech Product Signal · 5 colors

Signal #13545F Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #417680

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

Vintage Leather Lead · 5 colors

Lead #13545F Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #13545F Secondary #64767A 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 #13545F 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 32/100

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 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 42/100

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 25/100

Low

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

UI accent fit 62/100

High

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

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #13545F

For UI

For branding

For interior

For fashion

People also use #13545F with

Sea Green Prussian Blue Rosewood 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 8.5:1. Use

Subtle surface Use #C4E5EA for cards and hover fills. Tint 80

Avoid beside #13395E — 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 #13545F 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: #13545F;
  --color-base-rgb: 19 84 95;
  --color-base-oklch: oklch(41.2% 0.064 211.6);
  --color-50: #F2FBFD;
  --color-100: #DCF5F9;
  --color-200: #BBE9F1;
  --color-300: #8CD6E3;
  --color-400: #62C0D0;
  --color-500: #3FA4B5;
  --color-600: #377E8B;
  --color-700: #2C5A62;
  --color-800: #203C41;
  --color-900: #162528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F2FBFD',
    100: '#DCF5F9',
    200: '#BBE9F1',
    300: '#8CD6E3',
    400: '#62C0D0',
    500: '#3FA4B5',
    600: '#377E8B',
    700: '#2C5A62',
    800: '#203C41',
    900: '#162528',
  },
}

$base: #13545F;
$base-ink: #FFFFFF;
$base-50: #F2FBFD;
$base-100: #DCF5F9;
$base-200: #BBE9F1;
$base-300: #8CD6E3;
$base-400: #62C0D0;
$base-500: #3FA4B5;
$base-600: #377E8B;
$base-700: #2C5A62;
$base-800: #203C41;
$base-900: #162528;
$base-hover: #0F424B;
$base-subtle: #A5D9E2;

{
    "color": {
        "base": {
            "value": "#13545F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DCF5F9",
                "type": "color"
            },
            "200": {
                "value": "#BBE9F1",
                "type": "color"
            },
            "300": {
                "value": "#8CD6E3",
                "type": "color"
            },
            "400": {
                "value": "#62C0D0",
                "type": "color"
            },
            "500": {
                "value": "#3FA4B5",
                "type": "color"
            },
            "600": {
                "value": "#377E8B",
                "type": "color"
            },
            "700": {
                "value": "#2C5A62",
                "type": "color"
            },
            "800": {
                "value": "#203C41",
                "type": "color"
            },
            "900": {
                "value": "#162528",
                "type": "color"
            }
        }
    }
}