What color is #175F5D?

#175F5D is a dark cyan. In RGB it is rgb(23, 95, 93), and in HSL hsl(178, 61%, 23%).

Is #175F5D accessible as text?

On white, #175F5D has a contrast ratio of 7.42:1 (passes WCAG AA for body text); on black it is 2.83:1 (fails). For text placed on #175F5D, use white for the best readability.

What is the closest Tailwind color to #175F5D?

The nearest Tailwind CSS token is teal-800 (#005F5A).

What colors go well with #175F5D?

#175F5D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5E1719. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #175F5D below.

Is #175F5D good for buttons?

#175F5D works well for buttons and highlights, but use white text on #175F5D — black text only reaches 2.83:1, below the 4.5:1 needed for normal-size labels.

Is #175F5D the same as CSS darkslategray?

No — #175F5D is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#175F5D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #175F5D

Not just a swatch — here's how #175F5D works with other colors. Named schemes with #175F5D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #175F5D Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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 #175F5D Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 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 #175F5D Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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 #175F5D Anchor #382B1E Surface #ECE4D0 Accent #819C72 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 #175F5D Secondary #6B807F 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 #175F5D 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 34/100

Cool

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 54/100

Moderate

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

Naturalness 15/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 18/100

Very low

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

UI accent fit 71/100

High

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

Surface fit 36/100

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 #175F5D

For UI

For branding

For interior

For fashion

People also use #175F5D with

Fern Green Yale 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 7.4:1. Use

Subtle surface Use #C6E9E8 for cards and hover fills. Tint 80

Avoid beside #17495E — 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 #175F5D 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: #175F5D;
  --color-base-rgb: 23 95 93;
  --color-base-oklch: oklch(44.3% 0.068 192.2);
  --color-50: #F2FCFC;
  --color-100: #DDF8F7;
  --color-200: #BDEFED;
  --color-300: #90DFDC;
  --color-400: #67CBC8;
  --color-500: #45B0AD;
  --color-600: #3B8784;
  --color-700: #2F605E;
  --color-800: #223F3E;
  --color-900: #162726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F2FCFC',
    100: '#DDF8F7',
    200: '#BDEFED',
    300: '#90DFDC',
    400: '#67CBC8',
    500: '#45B0AD',
    600: '#3B8784',
    700: '#2F605E',
    800: '#223F3E',
    900: '#162726',
  },
}

$base: #175F5D;
$base-ink: #FFFFFF;
$base-50: #F2FCFC;
$base-100: #DDF8F7;
$base-200: #BDEFED;
$base-300: #90DFDC;
$base-400: #67CBC8;
$base-500: #45B0AD;
$base-600: #3B8784;
$base-700: #2F605E;
$base-800: #223F3E;
$base-900: #162726;
$base-hover: #124C4A;
$base-subtle: #A9DFDE;

{
    "color": {
        "base": {
            "value": "#175F5D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFC",
                "type": "color"
            },
            "100": {
                "value": "#DDF8F7",
                "type": "color"
            },
            "200": {
                "value": "#BDEFED",
                "type": "color"
            },
            "300": {
                "value": "#90DFDC",
                "type": "color"
            },
            "400": {
                "value": "#67CBC8",
                "type": "color"
            },
            "500": {
                "value": "#45B0AD",
                "type": "color"
            },
            "600": {
                "value": "#3B8784",
                "type": "color"
            },
            "700": {
                "value": "#2F605E",
                "type": "color"
            },
            "800": {
                "value": "#223F3E",
                "type": "color"
            },
            "900": {
                "value": "#162726",
                "type": "color"
            }
        }
    }
}

Palettes built on #175F5D

Color Lab

Pairs with #175F5D

UI roles & guardrails

In real applications

Scales

Every model

Export