What color is #171E18?

#171E18 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(23, 30, 24), and in HSL hsl(129, 13%, 10%).

Is #171E18 accessible as text?

On white, #171E18 has a contrast ratio of 17.00:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #171E18, use white for the best readability.

What is the closest Tailwind color to #171E18?

The nearest Tailwind CSS token is stone-900 (#1C1917).

What colors go well with #171E18?

As a neutral, #171E18 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #171E18 the same as CSS midnightblue?

No — #171E18 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#171E18 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #171E18

Not just a swatch — here's how #171E18 works with other colors. Named schemes with #171E18 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #171E18 Secondary #4B6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Graphite leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #171E18 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #353C36

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

Vintage Leather Lead · 5 colors

Lead #171E18 Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

Graphite plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Japanese Sand Base · 5 colors

Base #171E18 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Graphite sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #171E18 Secondary #3D3F3D Support #989286 Ink #17140F

Graphite 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 Graphite carrying the quiet middle.

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Color Lab

How #171E18 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 49/100

Neutral

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

High

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

Naturalness 29/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 72/100

High

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

Brand distinctiveness 6/100

Very low

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

UI accent fit 11/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 66/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #171E18

For UI

For branding

For interior

For fashion

People also use #171E18 with

Gunmetal Gray Graphite 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 17.0:1. Use

Subtle surface Use #CDD5CE for cards and hover fills. Tint 80

Avoid beside #161D19 — 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 #171E18 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: #171E18;
  --color-base-rgb: 23 30 24;
  --color-base-oklch: oklch(22.6% 0.015 149.1);
  --color-50: #F6F8F7;
  --color-100: #E8EDE9;
  --color-200: #D1DBD3;
  --color-300: #AFC0B2;
  --color-400: #8EA491;
  --color-500: #6F8672;
  --color-600: #59695B;
  --color-700: #424D44;
  --color-800: #2D342E;
  --color-900: #1D201D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F6F8F7',
    100: '#E8EDE9',
    200: '#D1DBD3',
    300: '#AFC0B2',
    400: '#8EA491',
    500: '#6F8672',
    600: '#59695B',
    700: '#424D44',
    800: '#2D342E',
    900: '#1D201D',
  },
}

$base: #171E18;
$base-ink: #FFFFFF;
$base-50: #F6F8F7;
$base-100: #E8EDE9;
$base-200: #D1DBD3;
$base-300: #AFC0B2;
$base-400: #8EA491;
$base-500: #6F8672;
$base-600: #59695B;
$base-700: #424D44;
$base-800: #2D342E;
$base-900: #1D201D;
$base-hover: #121713;
$base-subtle: #B3C1B5;

{
    "color": {
        "base": {
            "value": "#171E18",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F8F7",
                "type": "color"
            },
            "100": {
                "value": "#E8EDE9",
                "type": "color"
            },
            "200": {
                "value": "#D1DBD3",
                "type": "color"
            },
            "300": {
                "value": "#AFC0B2",
                "type": "color"
            },
            "400": {
                "value": "#8EA491",
                "type": "color"
            },
            "500": {
                "value": "#6F8672",
                "type": "color"
            },
            "600": {
                "value": "#59695B",
                "type": "color"
            },
            "700": {
                "value": "#424D44",
                "type": "color"
            },
            "800": {
                "value": "#2D342E",
                "type": "color"
            },
            "900": {
                "value": "#1D201D",
                "type": "color"
            }
        }
    }
}

Palettes built on #171E18

Color Lab

Pairs with #171E18

UI roles & guardrails

In real applications

Scales

Every model

Export