What color is #03005D?

#03005D is a dark, vivid blue. In RGB it is rgb(3, 0, 93), and in HSL hsl(242, 100%, 18%).

Is #03005D accessible as text?

On white, #03005D has a contrast ratio of 18.07:1 (passes WCAG AA for body text); on black it is 1.16:1 (fails). For text placed on #03005D, use white for the best readability.

What is the closest Tailwind color to #03005D?

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

What colors go well with #03005D?

#03005D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #595C00. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03005D below.

Is #03005D good for buttons?

#03005D works well for buttons and highlights, but use white text on #03005D — black text only reaches 1.16:1, below the 4.5:1 needed for normal-size labels.

Is #03005D the same as CSS navy?

No — #03005D is not the CSS named color navy, but navy (#000080) is the closest CSS named color.

#03005D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03005D

Not just a swatch — here's how #03005D works with other colors. Named schemes with #03005D in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #03005D Anchor #141210 Accent #DD965A Secondary #242933 Surface #F4ECE3

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 #03005D Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #060026

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 #03005D Accent #A5C4C2 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 #03005D Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

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 #03005D Secondary #303C58 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.

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Color Lab

How #03005D 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 14/100

Cool

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

Softness 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 78/100

High

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

Brand distinctiveness 57/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 19/100

Very low

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

Surface fit 26/100

Low

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

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03005D

For UI

For branding

For interior

For fashion

People also use #03005D with

Classic Blue Russian Violet Army 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 18.1:1. Use

Subtle surface Use #B9B7F3 for cards and hover fills. Tint 80

Avoid beside #22005C — 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 #03005D 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: #03005D;
  --color-base-rgb: 3 0 93;
  --color-base-oklch: oklch(21.8% 0.148 265.8);
  --color-50: #F1F0FE;
  --color-100: #D9D8FD;
  --color-200: #B3B1FC;
  --color-300: #7B77F8;
  --color-400: #4C46EC;
  --color-500: #2822D2;
  --color-600: #27239F;
  --color-700: #221F70;
  --color-800: #1A1848;
  --color-900: #12112C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F1F0FE',
    100: '#D9D8FD',
    200: '#B3B1FC',
    300: '#7B77F8',
    400: '#4C46EC',
    500: '#2822D2',
    600: '#27239F',
    700: '#221F70',
    800: '#1A1848',
    900: '#12112C',
  },
}

$base: #03005D;
$base-ink: #FFFFFF;
$base-50: #F1F0FE;
$base-100: #D9D8FD;
$base-200: #B3B1FC;
$base-300: #7B77F8;
$base-400: #4C46EC;
$base-500: #2822D2;
$base-600: #27239F;
$base-700: #221F70;
$base-800: #1A1848;
$base-900: #12112C;
$base-hover: #020049;
$base-subtle: #9491F0;

{
    "color": {
        "base": {
            "value": "#03005D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F0FE",
                "type": "color"
            },
            "100": {
                "value": "#D9D8FD",
                "type": "color"
            },
            "200": {
                "value": "#B3B1FC",
                "type": "color"
            },
            "300": {
                "value": "#7B77F8",
                "type": "color"
            },
            "400": {
                "value": "#4C46EC",
                "type": "color"
            },
            "500": {
                "value": "#2822D2",
                "type": "color"
            },
            "600": {
                "value": "#27239F",
                "type": "color"
            },
            "700": {
                "value": "#221F70",
                "type": "color"
            },
            "800": {
                "value": "#1A1848",
                "type": "color"
            },
            "900": {
                "value": "#12112C",
                "type": "color"
            }
        }
    }
}

Palettes built on #03005D

Color Lab

Pairs with #03005D

UI roles & guardrails

In real applications

Scales

Every model

Export