What color is #0A285E?

#0A285E is a dark, vivid blue. In RGB it is rgb(10, 40, 94), and in HSL hsl(219, 81%, 20%).

Is #0A285E accessible as text?

On white, #0A285E has a contrast ratio of 14.21:1 (passes WCAG AA for body text); on black it is 1.48:1 (fails). For text placed on #0A285E, use white for the best readability.

What is the closest Tailwind color to #0A285E?

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

What colors go well with #0A285E?

#0A285E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5C3F0A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A285E below.

Is #0A285E good for buttons?

#0A285E works well for buttons and highlights, but use white text on #0A285E — black text only reaches 1.48:1, below the 4.5:1 needed for normal-size labels.

Is #0A285E the same as CSS midnightblue?

No — #0A285E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0A285E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A285E

Not just a swatch — here's how #0A285E works with other colors. Named schemes with #0A285E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0A285E 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.

Luxury Packaging Feature · 5 colors

Feature #0A285E Anchor #141210 Accent #ADAE53 Secondary #232933 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 #0A285E Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #0B082E

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.

Vintage Leather Lead · 5 colors

Lead #0A285E 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 #0A285E Secondary #455165 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 #0A285E 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 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 40/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 35/100

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 #0A285E

For UI

For branding

For interior

For fashion

People also use #0A285E with

Teal 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 14.2:1. Use

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

Avoid beside #0A0B5C — 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 #0A285E at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #0A285E;
  --color-base-rgb: 10 40 94;
  --color-base-oklch: oklch(29.2% 0.103 261.1);
  --color-50: #F1F5FE;
  --color-100: #D9E5FC;
  --color-200: #B5CCF7;
  --color-300: #83A8EC;
  --color-400: #5685DC;
  --color-500: #3365C2;
  --color-600: #2E5293;
  --color-700: #273E68;
  --color-800: #1D2B44;
  --color-900: #141B2A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F1F5FE',
    100: '#D9E5FC',
    200: '#B5CCF7',
    300: '#83A8EC',
    400: '#5685DC',
    500: '#3365C2',
    600: '#2E5293',
    700: '#273E68',
    800: '#1D2B44',
    900: '#141B2A',
  },
}

$base: #0A285E;
$base-ink: #FFFFFF;
$base-50: #F1F5FE;
$base-100: #D9E5FC;
$base-200: #B5CCF7;
$base-300: #83A8EC;
$base-400: #5685DC;
$base-500: #3365C2;
$base-600: #2E5293;
$base-700: #273E68;
$base-800: #1D2B44;
$base-900: #141B2A;
$base-hover: #081F4A;
$base-subtle: #9CB6E7;

{
    "color": {
        "base": {
            "value": "#0A285E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D9E5FC",
                "type": "color"
            },
            "200": {
                "value": "#B5CCF7",
                "type": "color"
            },
            "300": {
                "value": "#83A8EC",
                "type": "color"
            },
            "400": {
                "value": "#5685DC",
                "type": "color"
            },
            "500": {
                "value": "#3365C2",
                "type": "color"
            },
            "600": {
                "value": "#2E5293",
                "type": "color"
            },
            "700": {
                "value": "#273E68",
                "type": "color"
            },
            "800": {
                "value": "#1D2B44",
                "type": "color"
            },
            "900": {
                "value": "#141B2A",
                "type": "color"
            }
        }
    }
}