What color is #21171A?

#21171A is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(33, 23, 26), and in HSL hsl(342, 18%, 11%).

Is #21171A accessible as text?

On white, #21171A has a contrast ratio of 17.47:1 (passes WCAG AA for body text); on black it is 1.20:1 (fails). For text placed on #21171A, use white for the best readability.

What is the closest Tailwind color to #21171A?

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

What colors go well with #21171A?

As a neutral, #21171A 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 #21171A the same as CSS midnightblue?

No — #21171A 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.

#21171A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #21171A

Not just a swatch — here's how #21171A works with other colors. Named schemes with #21171A in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #21171A Surface #15161A Highlight #F4F6F8 Secondary #5D6573 Accent #3F3437

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 #21171A Secondary #7C482B Surface #EBD9C1 Accent #444F39 Anchor #5A2231

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 #21171A Surface #F1E8DC Highlight #F7F1E7 Secondary #BCAEA0 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.

Berry & Cream Lead · 5 colors

Lead #21171A Surface #F4E6D7 Anchor #5E203A Accent #E6C2C3 Secondary #332B2E

Graphite sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #21171A Secondary #3F3B3D Support #9B9087 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 #21171A 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 53/100

Neutral

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

High

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

Naturalness 9/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 7/100

Very low

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

UI accent fit 10/100

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 98/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #21171A

For UI

For branding

For interior

For fashion

People also use #21171A with

Gunmetal Gray Graphite Gainsboro Taupe

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 17.5:1. Use

Subtle surface Use #D7CCCF for cards and hover fills. Tint 80

Avoid beside #211717 — 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 #21171A 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: #21171A;
  --color-base-rgb: 33 23 26;
  --color-base-oklch: oklch(21.8% 0.017 358.8);
  --color-50: #F9F6F7;
  --color-100: #EEE7E9;
  --color-200: #DECFD3;
  --color-300: #C3ACB3;
  --color-400: #A88A93;
  --color-500: #8A6B74;
  --color-600: #6C565C;
  --color-700: #4F4044;
  --color-800: #352C2F;
  --color-900: #211C1E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F9F6F7',
    100: '#EEE7E9',
    200: '#DECFD3',
    300: '#C3ACB3',
    400: '#A88A93',
    500: '#8A6B74',
    600: '#6C565C',
    700: '#4F4044',
    800: '#352C2F',
    900: '#211C1E',
  },
}

$base: #21171A;
$base-ink: #FFFFFF;
$base-50: #F9F6F7;
$base-100: #EEE7E9;
$base-200: #DECFD3;
$base-300: #C3ACB3;
$base-400: #A88A93;
$base-500: #8A6B74;
$base-600: #6C565C;
$base-700: #4F4044;
$base-800: #352C2F;
$base-900: #211C1E;
$base-hover: #1A1215;
$base-subtle: #C4B2B7;

{
    "color": {
        "base": {
            "value": "#21171A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F6F7",
                "type": "color"
            },
            "100": {
                "value": "#EEE7E9",
                "type": "color"
            },
            "200": {
                "value": "#DECFD3",
                "type": "color"
            },
            "300": {
                "value": "#C3ACB3",
                "type": "color"
            },
            "400": {
                "value": "#A88A93",
                "type": "color"
            },
            "500": {
                "value": "#8A6B74",
                "type": "color"
            },
            "600": {
                "value": "#6C565C",
                "type": "color"
            },
            "700": {
                "value": "#4F4044",
                "type": "color"
            },
            "800": {
                "value": "#352C2F",
                "type": "color"
            },
            "900": {
                "value": "#211C1E",
                "type": "color"
            }
        }
    }
}

Palettes built on #21171A

Color Lab

Pairs with #21171A

UI roles & guardrails

In real applications

Scales

Every model

Export