What color is #175C50?

#175C50 is a dark teal. In RGB it is rgb(23, 92, 80), and in HSL hsl(170, 60%, 23%).

Is #175C50 accessible as text?

On white, #175C50 has a contrast ratio of 7.83:1 (passes WCAG AA for body text); on black it is 2.68:1 (fails). For text placed on #175C50, use white for the best readability.

What is the closest Tailwind color to #175C50?

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

What colors go well with #175C50?

#175C50 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5E1723. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #175C50 below.

Is #175C50 good for buttons?

#175C50 works well for buttons and highlights, but use white text on #175C50 — black text only reaches 2.68:1, below the 4.5:1 needed for normal-size labels.

Is #175C50 the same as CSS darkslategray?

No — #175C50 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#175C50 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #175C50

Not just a swatch — here's how #175C50 works with other colors. Named schemes with #175C50 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #175C50 Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1C3549

Castleton Green 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 #175C50 Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

Castleton Green 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 #175C50 Secondary #734F19 Surface #E4DCC0 Accent #3B5141 Anchor #5B231E

Castleton Green 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 #175C50 Anchor #382B1E Surface #ECE4D0 Accent #839C70 Secondary #3A3833

Castleton Green 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 #F7F4EF Accent #175C50 Secondary #687C77 Support #979286 Ink #16140F

Castleton Green 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 Castleton Green carrying the quiet middle.

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Color Lab

How #175C50 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 37/100

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 32/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 68/100

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 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #175C50

For UI

For branding

For interior

For fashion

People also use #175C50 with

Green Charcoal 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 7.8:1. Use

Subtle surface Use #C7E9E3 for cards and hover fills. Tint 80

Avoid beside #17525E — 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 #175C50 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: #175C50;
  --color-base-rgb: 23 92 80;
  --color-base-oklch: oklch(42.9% 0.070 178.6);
  --color-50: #F2FCFB;
  --color-100: #DEF8F3;
  --color-200: #BEEFE6;
  --color-300: #91DED1;
  --color-400: #67CBBA;
  --color-500: #46AF9E;
  --color-600: #3C867A;
  --color-700: #2F6058;
  --color-800: #223F3A;
  --color-900: #162724;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FCFB',
    100: '#DEF8F3',
    200: '#BEEFE6',
    300: '#91DED1',
    400: '#67CBBA',
    500: '#46AF9E',
    600: '#3C867A',
    700: '#2F6058',
    800: '#223F3A',
    900: '#162724',
  },
}

$base: #175C50;
$base-ink: #FFFFFF;
$base-50: #F2FCFB;
$base-100: #DEF8F3;
$base-200: #BEEFE6;
$base-300: #91DED1;
$base-400: #67CBBA;
$base-500: #46AF9E;
$base-600: #3C867A;
$base-700: #2F6058;
$base-800: #223F3A;
$base-900: #162724;
$base-hover: #134B42;
$base-subtle: #A9DFD6;

{
    "color": {
        "base": {
            "value": "#175C50",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFB",
                "type": "color"
            },
            "100": {
                "value": "#DEF8F3",
                "type": "color"
            },
            "200": {
                "value": "#BEEFE6",
                "type": "color"
            },
            "300": {
                "value": "#91DED1",
                "type": "color"
            },
            "400": {
                "value": "#67CBBA",
                "type": "color"
            },
            "500": {
                "value": "#46AF9E",
                "type": "color"
            },
            "600": {
                "value": "#3C867A",
                "type": "color"
            },
            "700": {
                "value": "#2F6058",
                "type": "color"
            },
            "800": {
                "value": "#223F3A",
                "type": "color"
            },
            "900": {
                "value": "#162724",
                "type": "color"
            }
        }
    }
}

Palettes built on #175C50

Color Lab

Pairs with #175C50

UI roles & guardrails

In real applications

Scales

Every model

Export