What color is #175E65?

#175E65 is a dark cyan. In RGB it is rgb(23, 94, 101), and in HSL hsl(185, 63%, 24%).

Is #175E65 accessible as text?

On white, #175E65 has a contrast ratio of 7.43:1 (passes WCAG AA for body text); on black it is 2.83:1 (fails). For text placed on #175E65, use white for the best readability.

What is the closest Tailwind color to #175E65?

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

What colors go well with #175E65?

#175E65 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #641D17. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #175E65 below.

Is #175E65 good for buttons?

#175E65 works well for buttons and highlights, but use white text on #175E65 — black text only reaches 2.83:1, below the 4.5:1 needed for normal-size labels.

Is #175E65 the same as CSS darkslategray?

No — #175E65 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#175E65 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #175E65

Not just a swatch — here's how #175E65 works with other colors. Named schemes with #175E65 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #175E65 Accent #A6C4BE 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 #175E65 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 #175E65 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #478086

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 #175E65 Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #55233F

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 #175E65 Secondary #6B8082 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 #175E65 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 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 54/100

Moderate

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

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 46/100

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 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #175E65

For UI

For branding

For interior

For fashion

People also use #175E65 with

Sea 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 #C7E7EA for cards and hover fills. Tint 80

Avoid beside #174464 — 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 #175E65 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #175E65;
  --color-base-rgb: 23 94 101;
  --color-base-oklch: oklch(44.3% 0.068 204.8);
  --color-50: #F2FCFD;
  --color-100: #DDF6F8;
  --color-200: #BDECF0;
  --color-300: #8FD9E0;
  --color-400: #65C4CD;
  --color-500: #43A9B2;
  --color-600: #3A8288;
  --color-700: #2E5D61;
  --color-800: #213D40;
  --color-900: #162627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F2FCFD',
    100: '#DDF6F8',
    200: '#BDECF0',
    300: '#8FD9E0',
    400: '#65C4CD',
    500: '#43A9B2',
    600: '#3A8288',
    700: '#2E5D61',
    800: '#213D40',
    900: '#162627',
  },
}

$base: #175E65;
$base-ink: #FFFFFF;
$base-50: #F2FCFD;
$base-100: #DDF6F8;
$base-200: #BDECF0;
$base-300: #8FD9E0;
$base-400: #65C4CD;
$base-500: #43A9B2;
$base-600: #3A8288;
$base-700: #2E5D61;
$base-800: #213D40;
$base-900: #162627;
$base-hover: #124B50;
$base-subtle: #A9DCE1;

{
    "color": {
        "base": {
            "value": "#175E65",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFD",
                "type": "color"
            },
            "100": {
                "value": "#DDF6F8",
                "type": "color"
            },
            "200": {
                "value": "#BDECF0",
                "type": "color"
            },
            "300": {
                "value": "#8FD9E0",
                "type": "color"
            },
            "400": {
                "value": "#65C4CD",
                "type": "color"
            },
            "500": {
                "value": "#43A9B2",
                "type": "color"
            },
            "600": {
                "value": "#3A8288",
                "type": "color"
            },
            "700": {
                "value": "#2E5D61",
                "type": "color"
            },
            "800": {
                "value": "#213D40",
                "type": "color"
            },
            "900": {
                "value": "#162627",
                "type": "color"
            }
        }
    }
}

Palettes built on #175E65

Color Lab

Pairs with #175E65

UI roles & guardrails

In real applications

Scales

Every model

Export