What color is #173F3A?

#173F3A is a very dark teal. In RGB it is rgb(23, 63, 58), and in HSL hsl(173, 47%, 17%).

Is #173F3A accessible as text?

On white, #173F3A has a contrast ratio of 11.61:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #173F3A, use white for the best readability.

What is the closest Tailwind color to #173F3A?

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

What colors go well with #173F3A?

#173F3A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #40171C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #173F3A below.

Is #173F3A good for buttons?

#173F3A works well for buttons and highlights, but use white text on #173F3A — black text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #173F3A the same as CSS darkslategray?

No — #173F3A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#173F3A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #173F3A

Not just a swatch — here's how #173F3A works with other colors. Named schemes with #173F3A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #173F3A Accent #A7C4BC Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Bottle 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 #173F3A Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Bottle 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 #173F3A Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #5B241E

Bottle 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.

Luxury Packaging Feature · 5 colors

Feature #173F3A Anchor #141210 Accent #BAA94D Secondary #1E2C2A Surface #F1EDE3

Bottle Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #173F3A Secondary #53605E Support #979286 Ink #16140F

Bottle 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 Bottle Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #173F3A 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 41/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 17/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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 37/100

Low

Workable accent with care around contrast.

Surface fit 49/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #173F3A

For UI

For branding

For interior

For fashion

People also use #173F3A with

Hunter Green Prussian Blue Oxblood 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 11.6:1. Use

Subtle surface Use #C6E3E0 for cards and hover fills. Tint 80

Avoid beside #173740 — 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 #173F3A 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: #173F3A;
  --color-base-rgb: 23 63 58;
  --color-base-oklch: oklch(33.8% 0.046 184.3);
  --color-50: #F3FBFA;
  --color-100: #E0F5F2;
  --color-200: #C3E9E5;
  --color-300: #99D6CF;
  --color-400: #72C0B7;
  --color-500: #51A49A;
  --color-600: #447E77;
  --color-700: #345A56;
  --color-800: #253C39;
  --color-900: #182523;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bottle-green: {
    50: '#F3FBFA',
    100: '#E0F5F2',
    200: '#C3E9E5',
    300: '#99D6CF',
    400: '#72C0B7',
    500: '#51A49A',
    600: '#447E77',
    700: '#345A56',
    800: '#253C39',
    900: '#182523',
  },
}

$base: #173F3A;
$base-ink: #FFFFFF;
$base-50: #F3FBFA;
$base-100: #E0F5F2;
$base-200: #C3E9E5;
$base-300: #99D6CF;
$base-400: #72C0B7;
$base-500: #51A49A;
$base-600: #447E77;
$base-700: #345A56;
$base-800: #253C39;
$base-900: #182523;
$base-hover: #12332F;
$base-subtle: #A9D6D1;

{
    "color": {
        "base": {
            "value": "#173F3A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E0F5F2",
                "type": "color"
            },
            "200": {
                "value": "#C3E9E5",
                "type": "color"
            },
            "300": {
                "value": "#99D6CF",
                "type": "color"
            },
            "400": {
                "value": "#72C0B7",
                "type": "color"
            },
            "500": {
                "value": "#51A49A",
                "type": "color"
            },
            "600": {
                "value": "#447E77",
                "type": "color"
            },
            "700": {
                "value": "#345A56",
                "type": "color"
            },
            "800": {
                "value": "#253C39",
                "type": "color"
            },
            "900": {
                "value": "#182523",
                "type": "color"
            }
        }
    }
}