What color is #0B255C?

#0B255C is a dark, vivid blue. In RGB it is rgb(11, 37, 92), and in HSL hsl(221, 79%, 20%).

Is #0B255C accessible as text?

On white, #0B255C has a contrast ratio of 14.65:1 (passes WCAG AA for body text); on black it is 1.43:1 (fails). For text placed on #0B255C, use white for the best readability.

What is the closest Tailwind color to #0B255C?

The nearest Tailwind CSS token is blue-950 (#162456).

What colors go well with #0B255C?

#0B255C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5B420B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0B255C below.

Is #0B255C good for buttons?

#0B255C works well for buttons and highlights, but use white text on #0B255C — black text only reaches 1.43:1, below the 4.5:1 needed for normal-size labels.

Is #0B255C the same as CSS midnightblue?

No — #0B255C is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0B255C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0B255C

Not just a swatch — here's how #0B255C works with other colors. Named schemes with #0B255C in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #0B255C Anchor #141210 Accent #ADAE53 Secondary #242933 Surface #F0EEE3

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 #0B255C Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #0B062C

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 #0B255C Accent #A5C4C1 Surface #DDDBBF 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 #0B255C Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

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 #0B255C Secondary #434E62 Support #9D8F88 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 #0B255C 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 24/100

Cool

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

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 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

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

Brand distinctiveness 40/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0B255C

For UI

For branding

For interior

For fashion

People also use #0B255C with

Teal Blue Midnight Blue Espresso Gainsboro Charcoal

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 14.7:1. Use

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

Avoid beside #0C0B5B — 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 #0B255C 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: #0B255C;
  --color-base-rgb: 11 37 92;
  --color-base-oklch: oklch(28.4% 0.104 262.7);
  --color-50: #F1F5FE;
  --color-100: #DAE4FC;
  --color-200: #B6CAF6;
  --color-300: #85A5EB;
  --color-400: #5881DA;
  --color-500: #3561C0;
  --color-600: #304F92;
  --color-700: #283C67;
  --color-800: #1D2943;
  --color-900: #141B29;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F1F5FE',
    100: '#DAE4FC',
    200: '#B6CAF6',
    300: '#85A5EB',
    400: '#5881DA',
    500: '#3561C0',
    600: '#304F92',
    700: '#283C67',
    800: '#1D2943',
    900: '#141B29',
  },
}

$base: #0B255C;
$base-ink: #FFFFFF;
$base-50: #F1F5FE;
$base-100: #DAE4FC;
$base-200: #B6CAF6;
$base-300: #85A5EB;
$base-400: #5881DA;
$base-500: #3561C0;
$base-600: #304F92;
$base-700: #283C67;
$base-800: #1D2943;
$base-900: #141B29;
$base-hover: #091D49;
$base-subtle: #9DB4E7;

{
    "color": {
        "base": {
            "value": "#0B255C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F5FE",
                "type": "color"
            },
            "100": {
                "value": "#DAE4FC",
                "type": "color"
            },
            "200": {
                "value": "#B6CAF6",
                "type": "color"
            },
            "300": {
                "value": "#85A5EB",
                "type": "color"
            },
            "400": {
                "value": "#5881DA",
                "type": "color"
            },
            "500": {
                "value": "#3561C0",
                "type": "color"
            },
            "600": {
                "value": "#304F92",
                "type": "color"
            },
            "700": {
                "value": "#283C67",
                "type": "color"
            },
            "800": {
                "value": "#1D2943",
                "type": "color"
            },
            "900": {
                "value": "#141B29",
                "type": "color"
            }
        }
    }
}