What color is #02012B?

#02012B is a very dark, vivid blue. In RGB it is rgb(2, 1, 43), and in HSL hsl(241, 95%, 9%).

Is #02012B accessible as text?

On white, #02012B has a contrast ratio of 20.16:1 (passes WCAG AA for body text); on black it is 1.04:1 (fails). For text placed on #02012B, use white for the best readability.

What is the closest Tailwind color to #02012B?

The nearest Tailwind CSS token is mauve-950 (#0C090C).

What colors go well with #02012B?

#02012B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2C2D01. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #02012B below.

Is #02012B good for buttons?

#02012B works well for buttons and highlights, but use white text on #02012B — black text only reaches 1.04:1, below the 4.5:1 needed for normal-size labels.

Is #02012B the same as CSS midnightblue?

No — #02012B 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.

#02012B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #02012B

Not just a swatch — here's how #02012B works with other colors. Named schemes with #02012B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #02012B Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Jet Black 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 #02012B Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

Jet Black 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 #02012B Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #141F48

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

Vintage Leather Lead · 5 colors

Lead #02012B Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Jet Black 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 #F8F4EF Accent #02012B Secondary #222837 Support #9D8F88 Ink #18140F

Jet Black 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 Jet Black carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #02012B 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 30/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 14/100

Very low

Firm and assertive — carries weight and contrast.

Depth 85/100

Very high

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 86/100

Very high

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

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 6/100

Very low

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

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #02012B

For UI

For branding

For interior

For fashion

People also use #02012B with

Prussian Blue Deep Purple Bistre Gainsboro

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 20.2:1. Use

Subtle surface Use #B2B1F0 for cards and hover fills. Tint 80

Avoid beside #10012D — 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 #02012B 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: #02012B;
  --color-base-rgb: 2 1 43;
  --color-base-oklch: oklch(13.7% 0.086 269.0);
  --color-50: #F1F0FE;
  --color-100: #D8D8FD;
  --color-200: #B2B1FC;
  --color-300: #7C7AF5;
  --color-400: #4D4AE8;
  --color-500: #2A27CE;
  --color-600: #28269C;
  --color-700: #22216E;
  --color-800: #1A1A47;
  --color-900: #12122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#F1F0FE',
    100: '#D8D8FD',
    200: '#B2B1FC',
    300: '#7C7AF5',
    400: '#4D4AE8',
    500: '#2A27CE',
    600: '#28269C',
    700: '#22216E',
    800: '#1A1A47',
    900: '#12122B',
  },
}

$base: #02012B;
$base-ink: #FFFFFF;
$base-50: #F1F0FE;
$base-100: #D8D8FD;
$base-200: #B2B1FC;
$base-300: #7C7AF5;
$base-400: #4D4AE8;
$base-500: #2A27CE;
$base-600: #28269C;
$base-700: #22216E;
$base-800: #1A1A47;
$base-900: #12122B;
$base-hover: #010124;
$base-subtle: #8987EC;

{
    "color": {
        "base": {
            "value": "#02012B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F0FE",
                "type": "color"
            },
            "100": {
                "value": "#D8D8FD",
                "type": "color"
            },
            "200": {
                "value": "#B2B1FC",
                "type": "color"
            },
            "300": {
                "value": "#7C7AF5",
                "type": "color"
            },
            "400": {
                "value": "#4D4AE8",
                "type": "color"
            },
            "500": {
                "value": "#2A27CE",
                "type": "color"
            },
            "600": {
                "value": "#28269C",
                "type": "color"
            },
            "700": {
                "value": "#22216E",
                "type": "color"
            },
            "800": {
                "value": "#1A1A47",
                "type": "color"
            },
            "900": {
                "value": "#12122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #02012B

Color Lab

Pairs with #02012B

UI roles & guardrails

In real applications

Scales

Every model

Export