What color is #174C4E?

#174C4E is a dark cyan. In RGB it is rgb(23, 76, 78), and in HSL hsl(182, 54%, 20%).

Is #174C4E accessible as text?

On white, #174C4E has a contrast ratio of 9.63:1 (passes WCAG AA for body text); on black it is 2.18:1 (fails). For text placed on #174C4E, use white for the best readability.

What is the closest Tailwind color to #174C4E?

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

What colors go well with #174C4E?

#174C4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F1917. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #174C4E below.

Is #174C4E good for buttons?

#174C4E works well for buttons and highlights, but use white text on #174C4E — black text only reaches 2.18:1, below the 4.5:1 needed for normal-size labels.

Is #174C4E the same as CSS darkslategray?

No — #174C4E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#174C4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #174C4E

Not just a swatch — here's how #174C4E works with other colors. Named schemes with #174C4E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #174C4E 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 #174C4E 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 #174C4E Secondary #715017 Surface #E3DCC0 Accent #3A5143 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 #174C4E 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 #174C4E Secondary #5E6D6E 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 #174C4E 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 36/100

Cool

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

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

Naturalness 8/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 63/100

High

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

Brand distinctiveness 21/100

Low

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

UI accent fit 51/100

Moderate

Workable accent with care around contrast.

Surface fit 43/100

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 #174C4E

For UI

For branding

For interior

For fashion

People also use #174C4E with

Hunter Green Prussian Blue Oxblood 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 9.6:1. Use

Subtle surface Use #C6E5E6 for cards and hover fills. Tint 80

Avoid beside #173A4F — 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 #174C4E 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: #174C4E;
  --color-base-rgb: 23 76 78;
  --color-base-oklch: oklch(38.3% 0.055 198.7);
  --color-50: #F3FCFC;
  --color-100: #DFF5F6;
  --color-200: #C0EBEC;
  --color-300: #95D8DA;
  --color-400: #6CC3C6;
  --color-500: #4BA7AA;
  --color-600: #3F8083;
  --color-700: #325C5D;
  --color-800: #233D3D;
  --color-900: #172526;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F3FCFC',
    100: '#DFF5F6',
    200: '#C0EBEC',
    300: '#95D8DA',
    400: '#6CC3C6',
    500: '#4BA7AA',
    600: '#3F8083',
    700: '#325C5D',
    800: '#233D3D',
    900: '#172526',
  },
}

$base: #174C4E;
$base-ink: #FFFFFF;
$base-50: #F3FCFC;
$base-100: #DFF5F6;
$base-200: #C0EBEC;
$base-300: #95D8DA;
$base-400: #6CC3C6;
$base-500: #4BA7AA;
$base-600: #3F8083;
$base-700: #325C5D;
$base-800: #233D3D;
$base-900: #172526;
$base-hover: #133D3F;
$base-subtle: #A9D9DB;

{
    "color": {
        "base": {
            "value": "#174C4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCFC",
                "type": "color"
            },
            "100": {
                "value": "#DFF5F6",
                "type": "color"
            },
            "200": {
                "value": "#C0EBEC",
                "type": "color"
            },
            "300": {
                "value": "#95D8DA",
                "type": "color"
            },
            "400": {
                "value": "#6CC3C6",
                "type": "color"
            },
            "500": {
                "value": "#4BA7AA",
                "type": "color"
            },
            "600": {
                "value": "#3F8083",
                "type": "color"
            },
            "700": {
                "value": "#325C5D",
                "type": "color"
            },
            "800": {
                "value": "#233D3D",
                "type": "color"
            },
            "900": {
                "value": "#172526",
                "type": "color"
            }
        }
    }
}

Palettes built on #174C4E

Color Lab

Pairs with #174C4E

UI roles & guardrails

In real applications

Scales

Every model

Export