What color is #0B033F?

#0B033F is a very dark, vivid indigo. In RGB it is rgb(11, 3, 63), and in HSL hsl(248, 91%, 13%).

Is #0B033F accessible as text?

On white, #0B033F has a contrast ratio of 19.11:1 (passes WCAG AA for body text); on black it is 1.10:1 (fails). For text placed on #0B033F, use white for the best readability.

What is the closest Tailwind color to #0B033F?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #0B033F?

#0B033F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #373F03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0B033F below.

Is #0B033F good for buttons?

#0B033F works well for buttons and highlights, but use white text on #0B033F — black text only reaches 1.10:1, below the 4.5:1 needed for normal-size labels.

Is #0B033F the same as CSS midnightblue?

No — #0B033F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0B033F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B033F

Not just a swatch — here's how #0B033F works with other colors. Named schemes with #0B033F in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #0B033F Anchor #141210 Accent #DC9758 Secondary #262833 Surface #F3ECE3

Navy 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.

Moody Editorial Color · 5 colors

Color #0B033F Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #020010

Navy adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Navy.

Coastal Morning Lead · 5 colors

Lead #0B033F Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Navy opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #0B033F Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Navy 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 #0B033F Secondary #2E3246 Support #9D9088 Ink #18140F

Navy 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 Navy carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0B033F 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 28/100

Cool

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

Softness 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 82/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 85/100

Very high

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

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 12/100

Very low

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B033F

For UI

For branding

For interior

For fashion

People also use #0B033F with

Yale Blue Deep Purple British Racing Green Gainsboro Prussian Blue

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 19.1:1. Use

Subtle surface Use #BDB6F0 for cards and hover fills. Tint 80

Avoid beside #1F033F — 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 #0B033F 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: #0B033F;
  --color-base-rgb: 11 3 63;
  --color-base-oklch: oklch(18.3% 0.105 275.7);
  --color-50: #F2F0FE;
  --color-100: #DDD8FD;
  --color-200: #BBB1FB;
  --color-300: #8D7DF2;
  --color-400: #624EE4;
  --color-500: #402ACB;
  --color-600: #37289A;
  --color-700: #2C236C;
  --color-800: #201B46;
  --color-900: #16122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F2F0FE',
    100: '#DDD8FD',
    200: '#BBB1FB',
    300: '#8D7DF2',
    400: '#624EE4',
    500: '#402ACB',
    600: '#37289A',
    700: '#2C236C',
    800: '#201B46',
    900: '#16122B',
  },
}

$base: #0B033F;
$base-ink: #FFFFFF;
$base-50: #F2F0FE;
$base-100: #DDD8FD;
$base-200: #BBB1FB;
$base-300: #8D7DF2;
$base-400: #624EE4;
$base-500: #402ACB;
$base-600: #37289A;
$base-700: #2C236C;
$base-800: #201B46;
$base-900: #16122B;
$base-hover: #090233;
$base-subtle: #9B8EEA;

{
    "color": {
        "base": {
            "value": "#0B033F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F0FE",
                "type": "color"
            },
            "100": {
                "value": "#DDD8FD",
                "type": "color"
            },
            "200": {
                "value": "#BBB1FB",
                "type": "color"
            },
            "300": {
                "value": "#8D7DF2",
                "type": "color"
            },
            "400": {
                "value": "#624EE4",
                "type": "color"
            },
            "500": {
                "value": "#402ACB",
                "type": "color"
            },
            "600": {
                "value": "#37289A",
                "type": "color"
            },
            "700": {
                "value": "#2C236C",
                "type": "color"
            },
            "800": {
                "value": "#201B46",
                "type": "color"
            },
            "900": {
                "value": "#16122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #0B033F

Color Lab

Pairs with #0B033F

UI roles & guardrails

In real applications

Scales

Every model

Export