What color is #033473?

#033473 is a dark, vivid blue. In RGB it is rgb(3, 52, 115), and in HSL hsl(214, 95%, 23%).

Is #033473 accessible as text?

On white, #033473 has a contrast ratio of 12.05:1 (passes WCAG AA for body text); on black it is 1.74:1 (fails). For text placed on #033473, use white for the best readability.

What is the closest Tailwind color to #033473?

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

What colors go well with #033473?

#033473 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #724203. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #033473 below.

Is #033473 good for buttons?

#033473 works well for buttons and highlights, but use white text on #033473 — black text only reaches 1.74:1, below the 4.5:1 needed for normal-size labels.

Is #033473 the same as CSS midnightblue?

No — #033473 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#033473 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #033473

Not just a swatch — here's how #033473 works with other colors. Named schemes with #033473 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #033473 Anchor #141210 Accent #ADAE53 Secondary #232933 Surface #F0EEE3

Yale 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 #033473 Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #11133F

Yale 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 Yale Blue.

Coastal Morning Lead · 5 colors

Lead #033473 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Yale 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 #033473 Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57223B

Yale 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 #F6F4EF Accent #033473 Secondary #4E5E75 Support #9D8F89 Ink #16140F

Yale 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 Yale Blue carrying the quiet middle.

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Color Lab

How #033473 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 19/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 71/100

High

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

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 27/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #033473

For UI

For branding

For interior

For fashion

People also use #033473 with

Persian Green Navy Blue Sepia 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 12.1:1. Use

Subtle surface Use #BDD4F3 for cards and hover fills. Tint 80

Avoid beside #030E72 — 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 #033473 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: #033473;
  --color-base-rgb: 3 52 115;
  --color-base-oklch: oklch(33.7% 0.119 257.7);
  --color-50: #F0F6FE;
  --color-100: #D8E8FD;
  --color-200: #B1D1FC;
  --color-300: #7AAFF5;
  --color-400: #4A8FE8;
  --color-500: #276FCE;
  --color-600: #26599C;
  --color-700: #21426E;
  --color-800: #1A2D47;
  --color-900: #121D2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F0F6FE',
    100: '#D8E8FD',
    200: '#B1D1FC',
    300: '#7AAFF5',
    400: '#4A8FE8',
    500: '#276FCE',
    600: '#26599C',
    700: '#21426E',
    800: '#1A2D47',
    900: '#121D2B',
  },
}

$base: #033473;
$base-ink: #FFFFFF;
$base-50: #F0F6FE;
$base-100: #D8E8FD;
$base-200: #B1D1FC;
$base-300: #7AAFF5;
$base-400: #4A8FE8;
$base-500: #276FCE;
$base-600: #26599C;
$base-700: #21426E;
$base-800: #1A2D47;
$base-900: #121D2B;
$base-hover: #02295B;
$base-subtle: #9ABEEF;

{
    "color": {
        "base": {
            "value": "#033473",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E8FD",
                "type": "color"
            },
            "200": {
                "value": "#B1D1FC",
                "type": "color"
            },
            "300": {
                "value": "#7AAFF5",
                "type": "color"
            },
            "400": {
                "value": "#4A8FE8",
                "type": "color"
            },
            "500": {
                "value": "#276FCE",
                "type": "color"
            },
            "600": {
                "value": "#26599C",
                "type": "color"
            },
            "700": {
                "value": "#21426E",
                "type": "color"
            },
            "800": {
                "value": "#1A2D47",
                "type": "color"
            },
            "900": {
                "value": "#121D2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #033473

Color Lab

Pairs with #033473

UI roles & guardrails

In real applications

Scales

Every model

Export