What color is #17434D?

#17434D is a dark cyan. In RGB it is rgb(23, 67, 77), and in HSL hsl(191, 54%, 20%).

Is #17434D accessible as text?

On white, #17434D has a contrast ratio of 10.79:1 (passes WCAG AA for body text); on black it is 1.95:1 (fails). For text placed on #17434D, use white for the best readability.

What is the closest Tailwind color to #17434D?

The nearest Tailwind CSS token is mist-700 (#394447).

What colors go well with #17434D?

#17434D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F2217. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #17434D below.

Is #17434D good for buttons?

#17434D works well for buttons and highlights, but use white text on #17434D — black text only reaches 1.95:1, below the 4.5:1 needed for normal-size labels.

Is #17434D the same as CSS darkslategray?

No — #17434D is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#17434D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #17434D

Not just a swatch — here's how #17434D works with other colors. Named schemes with #17434D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #17434D Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Charcoal 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 #17434D Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Charcoal 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 #17434D Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #3E646D

Charcoal is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Charcoal.

Vintage Leather Lead · 5 colors

Lead #17434D Secondary #705116 Surface #E3DCC0 Accent #395143 Anchor #56233E

Charcoal 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 #17434D Secondary #586569 Support #969386 Ink #16140F

Charcoal 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 Charcoal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #17434D 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 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

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 43/100

Moderate

Workable accent with care around contrast.

Surface fit 46/100

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 #17434D

For UI

For branding

For interior

For fashion

People also use #17434D with

Pine Green Navy Bistre 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 10.8:1. Use

Subtle surface Use #C6E0E6 for cards and hover fills. Tint 80

Avoid beside #17324F — 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 #17434D 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: #17434D;
  --color-base-rgb: 23 67 77;
  --color-base-oklch: oklch(35.7% 0.050 215.3);
  --color-50: #F3FAFC;
  --color-100: #DFF2F6;
  --color-200: #C0E4EC;
  --color-300: #95CEDA;
  --color-400: #6CB5C6;
  --color-500: #4B99AA;
  --color-600: #3F7683;
  --color-700: #32555D;
  --color-800: #23393D;
  --color-900: #172326;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F3FAFC',
    100: '#DFF2F6',
    200: '#C0E4EC',
    300: '#95CEDA',
    400: '#6CB5C6',
    500: '#4B99AA',
    600: '#3F7683',
    700: '#32555D',
    800: '#23393D',
    900: '#172326',
  },
}

$base: #17434D;
$base-ink: #FFFFFF;
$base-50: #F3FAFC;
$base-100: #DFF2F6;
$base-200: #C0E4EC;
$base-300: #95CEDA;
$base-400: #6CB5C6;
$base-500: #4B99AA;
$base-600: #3F7683;
$base-700: #32555D;
$base-800: #23393D;
$base-900: #172326;
$base-hover: #13373F;
$base-subtle: #A9D2DB;

{
    "color": {
        "base": {
            "value": "#17434D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FAFC",
                "type": "color"
            },
            "100": {
                "value": "#DFF2F6",
                "type": "color"
            },
            "200": {
                "value": "#C0E4EC",
                "type": "color"
            },
            "300": {
                "value": "#95CEDA",
                "type": "color"
            },
            "400": {
                "value": "#6CB5C6",
                "type": "color"
            },
            "500": {
                "value": "#4B99AA",
                "type": "color"
            },
            "600": {
                "value": "#3F7683",
                "type": "color"
            },
            "700": {
                "value": "#32555D",
                "type": "color"
            },
            "800": {
                "value": "#23393D",
                "type": "color"
            },
            "900": {
                "value": "#172326",
                "type": "color"
            }
        }
    }
}