What color is #033288?

#033288 is a dark, vivid blue. In RGB it is rgb(3, 50, 136), and in HSL hsl(219, 96%, 27%).

Is #033288 accessible as text?

On white, #033288 has a contrast ratio of 11.57:1 (passes WCAG AA for body text); on black it is 1.82:1 (fails). For text placed on #033288, use white for the best readability.

What is the closest Tailwind color to #033288?

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

What colors go well with #033288?

#033288 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #875903. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #033288 below.

Is #033288 good for buttons?

#033288 works well for buttons and highlights, but use white text on #033288 — black text only reaches 1.82:1, below the 4.5:1 needed for normal-size labels.

Is #033288 the same as CSS midnightblue?

No — #033288 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#033288 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #033288

Not just a swatch — here's how #033288 works with other colors. Named schemes with #033288 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #033288 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 #033288 Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #17104D

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 #033288 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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 #033288 Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

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 #F8F4EF Accent #033288 Secondary #506280 Support #9D8F88 Ink #18140F

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 #033288 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 12/100

Cool

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

Softness 27/100

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 29/100

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 58/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

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 #033288

For UI

For branding

For interior

For fashion

People also use #033288 with

Bondi Blue Phthalo Blue Russet 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 11.6:1. Use

Subtle surface Use #C0D2F4 for cards and hover fills. Tint 80

Avoid beside #030587 — 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 #033288 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: #033288;
  --color-base-rgb: 3 50 136;
  --color-base-oklch: oklch(35.2% 0.151 261.5);
  --color-50: #F0F5FE;
  --color-100: #D8E5FD;
  --color-200: #B1CBFC;
  --color-300: #7AA5F6;
  --color-400: #4A81E8;
  --color-500: #2661CF;
  --color-600: #254F9D;
  --color-700: #213C6E;
  --color-800: #192A48;
  --color-900: #121B2C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F0F5FE',
    100: '#D8E5FD',
    200: '#B1CBFC',
    300: '#7AA5F6',
    400: '#4A81E8',
    500: '#2661CF',
    600: '#254F9D',
    700: '#213C6E',
    800: '#192A48',
    900: '#121B2C',
  },
}

$base: #033288;
$base-ink: #FFFFFF;
$base-50: #F0F5FE;
$base-100: #D8E5FD;
$base-200: #B1CBFC;
$base-300: #7AA5F6;
$base-400: #4A81E8;
$base-500: #2661CF;
$base-600: #254F9D;
$base-700: #213C6E;
$base-800: #192A48;
$base-900: #121B2C;
$base-hover: #02276C;
$base-subtle: #9EBBF0;

{
    "color": {
        "base": {
            "value": "#033288",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E5FD",
                "type": "color"
            },
            "200": {
                "value": "#B1CBFC",
                "type": "color"
            },
            "300": {
                "value": "#7AA5F6",
                "type": "color"
            },
            "400": {
                "value": "#4A81E8",
                "type": "color"
            },
            "500": {
                "value": "#2661CF",
                "type": "color"
            },
            "600": {
                "value": "#254F9D",
                "type": "color"
            },
            "700": {
                "value": "#213C6E",
                "type": "color"
            },
            "800": {
                "value": "#192A48",
                "type": "color"
            },
            "900": {
                "value": "#121B2C",
                "type": "color"
            }
        }
    }
}

Palettes built on #033288

Color Lab

Pairs with #033288

UI roles & guardrails

In real applications

Scales

Every model

Export