What color is #03211F?

#03211F is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(3, 33, 31), and in HSL hsl(176, 83%, 7%).

Is #03211F accessible as text?

On white, #03211F has a contrast ratio of 16.92:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #03211F, use white for the best readability.

What is the closest Tailwind color to #03211F?

The nearest Tailwind CSS token is zinc-900 (#18181B).

What colors go well with #03211F?

As a neutral, #03211F 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 #03211F the same as CSS midnightblue?

No — #03211F 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.

#03211F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03211F

Not just a swatch — here's how #03211F works with other colors. Named schemes with #03211F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #03211F Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Graphite 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 #03211F Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Graphite 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 #03211F Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

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.

Luxury Packaging Feature · 5 colors

Feature #03211F Anchor #141210 Accent #B9A94D Secondary #1D2C2B Surface #F1EDE3

Graphite 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 #F6F4EF Accent #03211F Secondary #374140 Support #979286 Ink #16140F

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 #03211F 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 42/100

Neutral

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

High

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

Naturalness 11/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 74/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 13/100

Very low

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

Surface fit 60/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03211F

For UI

For branding

For interior

For fashion

People also use #03211F with

British Racing Green Jet Black 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 16.9:1. Use

Subtle surface Use #B3ECE8 for cards and hover fills. Tint 80

Avoid beside #031921 — 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 #03211F 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: #03211F;
  --color-base-rgb: 3 33 31;
  --color-base-oklch: oklch(22.5% 0.036 188.7);
  --color-50: #F0FEFD;
  --color-100: #D9FDFA;
  --color-200: #B4F8F3;
  --color-300: #82EDE6;
  --color-400: #54DED5;
  --color-500: #31C3BA;
  --color-600: #2D958E;
  --color-700: #266964;
  --color-800: #1C4442;
  --color-900: #132A28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F0FEFD',
    100: '#D9FDFA',
    200: '#B4F8F3',
    300: '#82EDE6',
    400: '#54DED5',
    500: '#31C3BA',
    600: '#2D958E',
    700: '#266964',
    800: '#1C4442',
    900: '#132A28',
  },
}

$base: #03211F;
$base-ink: #FFFFFF;
$base-50: #F0FEFD;
$base-100: #D9FDFA;
$base-200: #B4F8F3;
$base-300: #82EDE6;
$base-400: #54DED5;
$base-500: #31C3BA;
$base-600: #2D958E;
$base-700: #266964;
$base-800: #1C4442;
$base-900: #132A28;
$base-hover: #021A19;
$base-subtle: #8BE5DF;

{
    "color": {
        "base": {
            "value": "#03211F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFD",
                "type": "color"
            },
            "100": {
                "value": "#D9FDFA",
                "type": "color"
            },
            "200": {
                "value": "#B4F8F3",
                "type": "color"
            },
            "300": {
                "value": "#82EDE6",
                "type": "color"
            },
            "400": {
                "value": "#54DED5",
                "type": "color"
            },
            "500": {
                "value": "#31C3BA",
                "type": "color"
            },
            "600": {
                "value": "#2D958E",
                "type": "color"
            },
            "700": {
                "value": "#266964",
                "type": "color"
            },
            "800": {
                "value": "#1C4442",
                "type": "color"
            },
            "900": {
                "value": "#132A28",
                "type": "color"
            }
        }
    }
}

Palettes built on #03211F

Color Lab

Pairs with #03211F

UI roles & guardrails

In real applications

Scales

Every model

Export