What color is #03222B?

#03222B is a very dark, vivid cyan. In RGB it is rgb(3, 34, 43), and in HSL hsl(194, 87%, 9%).

Is #03222B accessible as text?

On white, #03222B has a contrast ratio of 16.57:1 (passes WCAG AA for body text); on black it is 1.27:1 (fails). For text placed on #03222B, use white for the best readability.

What is the closest Tailwind color to #03222B?

The nearest Tailwind CSS token is mist-900 (#161B1D).

What colors go well with #03222B?

#03222B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2B0C03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03222B below.

Is #03222B good for buttons?

#03222B works well for buttons and highlights, but use white text on #03222B — black text only reaches 1.27:1, below the 4.5:1 needed for normal-size labels.

Is #03222B the same as CSS midnightblue?

No — #03222B 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.

#03222B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03222B

Not just a swatch — here's how #03222B works with other colors. Named schemes with #03222B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #03222B Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E354A

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 #03222B Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

Graphite 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 #03222B Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #264049

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 #03222B Secondary #705116 Surface #E2DCC0 Accent #385244 Anchor #56233E

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #03222B Secondary #394346 Support #969386 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.

Build a working theme in the generator →

Color Lab

How #03222B 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 38/100

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 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 74/100

High

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 15/100

Very low

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

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03222B

For UI

For branding

For interior

For fashion

People also use #03222B with

Castleton Green Jet Black 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 16.6:1. Use

Subtle surface Use #B4E0EE for cards and hover fills. Tint 80

Avoid beside #03142B — 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 #03222B 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: #03222B;
  --color-base-rgb: 3 34 43;
  --color-base-oklch: oklch(23.4% 0.040 221.0);
  --color-50: #F0FBFE;
  --color-100: #D8F5FD;
  --color-200: #B3E9FA;
  --color-300: #7FD6F0;
  --color-400: #51BFE1;
  --color-500: #2EA3C7;
  --color-600: #2B7E97;
  --color-700: #245A6B;
  --color-800: #1C3C45;
  --color-900: #13252A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F0FBFE',
    100: '#D8F5FD',
    200: '#B3E9FA',
    300: '#7FD6F0',
    400: '#51BFE1',
    500: '#2EA3C7',
    600: '#2B7E97',
    700: '#245A6B',
    800: '#1C3C45',
    900: '#13252A',
  },
}

$base: #03222B;
$base-ink: #FFFFFF;
$base-50: #F0FBFE;
$base-100: #D8F5FD;
$base-200: #B3E9FA;
$base-300: #7FD6F0;
$base-400: #51BFE1;
$base-500: #2EA3C7;
$base-600: #2B7E97;
$base-700: #245A6B;
$base-800: #1C3C45;
$base-900: #13252A;
$base-hover: #021B22;
$base-subtle: #8BD2E7;

{
    "color": {
        "base": {
            "value": "#03222B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FBFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F5FD",
                "type": "color"
            },
            "200": {
                "value": "#B3E9FA",
                "type": "color"
            },
            "300": {
                "value": "#7FD6F0",
                "type": "color"
            },
            "400": {
                "value": "#51BFE1",
                "type": "color"
            },
            "500": {
                "value": "#2EA3C7",
                "type": "color"
            },
            "600": {
                "value": "#2B7E97",
                "type": "color"
            },
            "700": {
                "value": "#245A6B",
                "type": "color"
            },
            "800": {
                "value": "#1C3C45",
                "type": "color"
            },
            "900": {
                "value": "#13252A",
                "type": "color"
            }
        }
    }
}

Palettes built on #03222B

Color Lab

Pairs with #03222B

UI roles & guardrails

In real applications

Scales

Every model

Export