What color is #0D2C8A?

#0D2C8A is a dark, vivid blue. In RGB it is rgb(13, 44, 138), and in HSL hsl(225, 83%, 30%).

Is #0D2C8A accessible as text?

On white, #0D2C8A has a contrast ratio of 12.04:1 (passes WCAG AA for body text); on black it is 1.74:1 (fails). For text placed on #0D2C8A, use white for the best readability.

What is the closest Tailwind color to #0D2C8A?

The nearest Tailwind CSS token is blue-900 (#1C398E).

What colors go well with #0D2C8A?

#0D2C8A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8C6C0D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0D2C8A below.

Is #0D2C8A good for buttons?

#0D2C8A works well for buttons and highlights, but use white text on #0D2C8A — black text only reaches 1.74:1, below the 4.5:1 needed for normal-size labels.

Is #0D2C8A the same as CSS midnightblue?

No — #0D2C8A is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0D2C8A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0D2C8A

Not just a swatch — here's how #0D2C8A works with other colors. Named schemes with #0D2C8A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #0D2C8A Anchor #141210 Accent #ACAE53 Secondary #242933 Surface #F4ECE3

Klein Blue 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 #0D2C8A Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #190A4D

Klein Blue 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 Klein Blue.

Coastal Morning Lead · 5 colors

Lead #0D2C8A Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Klein Blue 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 #0D2C8A Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

Klein Blue 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 #0D2C8A Secondary #4F5F7F Support #9D8F88 Ink #18140F

Klein Blue 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 Klein Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0D2C8A 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 11/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 62/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 54/100

Moderate

Workable accent with care around contrast.

Surface fit 18/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0D2C8A

For UI

For branding

For interior

For fashion

People also use #0D2C8A with

Bondi Blue Indigo Olive Brown 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 12.0:1. Use

Subtle surface Use #C6D1F1 for cards and hover fills. Tint 80

Avoid beside #180D8C — 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 #0D2C8A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #0D2C8A;
  --color-base-rgb: 13 44 138;
  --color-base-oklch: oklch(34.5% 0.160 264.6);
  --color-50: #F0F4FE;
  --color-100: #D9E2FD;
  --color-200: #B4C5F8;
  --color-300: #829DED;
  --color-400: #5477DE;
  --color-500: #3156C3;
  --color-600: #2D4795;
  --color-700: #263769;
  --color-800: #1C2644;
  --color-900: #13192A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  klein-blue: {
    50: '#F0F4FE',
    100: '#D9E2FD',
    200: '#B4C5F8',
    300: '#829DED',
    400: '#5477DE',
    500: '#3156C3',
    600: '#2D4795',
    700: '#263769',
    800: '#1C2644',
    900: '#13192A',
  },
}

$base: #0D2C8A;
$base-ink: #FFFFFF;
$base-50: #F0F4FE;
$base-100: #D9E2FD;
$base-200: #B4C5F8;
$base-300: #829DED;
$base-400: #5477DE;
$base-500: #3156C3;
$base-600: #2D4795;
$base-700: #263769;
$base-800: #1C2644;
$base-900: #13192A;
$base-hover: #0A2470;
$base-subtle: #A8B9EB;

{
    "color": {
        "base": {
            "value": "#0D2C8A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F4FE",
                "type": "color"
            },
            "100": {
                "value": "#D9E2FD",
                "type": "color"
            },
            "200": {
                "value": "#B4C5F8",
                "type": "color"
            },
            "300": {
                "value": "#829DED",
                "type": "color"
            },
            "400": {
                "value": "#5477DE",
                "type": "color"
            },
            "500": {
                "value": "#3156C3",
                "type": "color"
            },
            "600": {
                "value": "#2D4795",
                "type": "color"
            },
            "700": {
                "value": "#263769",
                "type": "color"
            },
            "800": {
                "value": "#1C2644",
                "type": "color"
            },
            "900": {
                "value": "#13192A",
                "type": "color"
            }
        }
    }
}

Palettes built on #0D2C8A

Color Lab

Pairs with #0D2C8A

UI roles & guardrails

In real applications

Scales

Every model

Export