What color is #175A58?

#175A58 is a dark cyan. In RGB it is rgb(23, 90, 88), and in HSL hsl(178, 59%, 22%).

Is #175A58 accessible as text?

On white, #175A58 has a contrast ratio of 7.96:1 (passes WCAG AA for body text); on black it is 2.64:1 (fails). For text placed on #175A58, use white for the best readability.

What is the closest Tailwind color to #175A58?

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

What colors go well with #175A58?

#175A58 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #591719. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #175A58 below.

Is #175A58 good for buttons?

#175A58 works well for buttons and highlights, but use white text on #175A58 — black text only reaches 2.64:1, below the 4.5:1 needed for normal-size labels.

Is #175A58 the same as CSS darkslategray?

No — #175A58 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#175A58 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #175A58

Not just a swatch — here's how #175A58 works with other colors. Named schemes with #175A58 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #175A58 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 #175A58 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 #175A58 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 #175A58 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 #175A58 Secondary #687B7A 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.

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Color Lab

How #175A58 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 35/100

Cool

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 14/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 60/100

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 66/100

High

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

Surface fit 38/100

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 #175A58

For UI

For branding

For interior

For fashion

People also use #175A58 with

Fern 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 8.0:1. Use

Subtle surface Use #C6E8E7 for cards and hover fills. Tint 80

Avoid beside #174559 — 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 #175A58 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: #175A58;
  --color-base-rgb: 23 90 88;
  --color-base-oklch: oklch(42.7% 0.065 192.1);
  --color-50: #F2FCFC;
  --color-100: #DEF7F6;
  --color-200: #BEEEED;
  --color-300: #92DEDB;
  --color-400: #68CAC7;
  --color-500: #46AEAB;
  --color-600: #3C8683;
  --color-700: #305F5E;
  --color-800: #223F3E;
  --color-900: #172726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F2FCFC',
    100: '#DEF7F6',
    200: '#BEEEED',
    300: '#92DEDB',
    400: '#68CAC7',
    500: '#46AEAB',
    600: '#3C8683',
    700: '#305F5E',
    800: '#223F3E',
    900: '#172726',
  },
}

$base: #175A58;
$base-ink: #FFFFFF;
$base-50: #F2FCFC;
$base-100: #DEF7F6;
$base-200: #BEEEED;
$base-300: #92DEDB;
$base-400: #68CAC7;
$base-500: #46AEAB;
$base-600: #3C8683;
$base-700: #305F5E;
$base-800: #223F3E;
$base-900: #172726;
$base-hover: #124746;
$base-subtle: #A9DEDC;

{
    "color": {
        "base": {
            "value": "#175A58",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFC",
                "type": "color"
            },
            "100": {
                "value": "#DEF7F6",
                "type": "color"
            },
            "200": {
                "value": "#BEEEED",
                "type": "color"
            },
            "300": {
                "value": "#92DEDB",
                "type": "color"
            },
            "400": {
                "value": "#68CAC7",
                "type": "color"
            },
            "500": {
                "value": "#46AEAB",
                "type": "color"
            },
            "600": {
                "value": "#3C8683",
                "type": "color"
            },
            "700": {
                "value": "#305F5E",
                "type": "color"
            },
            "800": {
                "value": "#223F3E",
                "type": "color"
            },
            "900": {
                "value": "#172726",
                "type": "color"
            }
        }
    }
}

Palettes built on #175A58

Color Lab

Pairs with #175A58

UI roles & guardrails

In real applications

Scales

Every model

Export