What color is #3333C0?

#3333C0 is a medium blue-violet. In RGB it is rgb(51, 51, 192), and in HSL hsl(240, 58%, 48%).

Is #3333C0 accessible as text?

On white, #3333C0 has a contrast ratio of 8.84:1 (passes WCAG AA for body text); on black it is 2.38:1 (fails). For text placed on #3333C0, use white for the best readability.

What is the closest Tailwind color to #3333C0?

The nearest Tailwind CSS token is blue-800 (#193CB8).

What colors go well with #3333C0?

#3333C0 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C1C133. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3333C0 below.

Is #3333C0 good for buttons?

#3333C0 works well for buttons and highlights, but use white text on #3333C0 — black text only reaches 2.38:1, below the 4.5:1 needed for normal-size labels.

Is #3333C0 the same as CSS mediumblue?

No — #3333C0 is not the CSS named color mediumblue, but mediumblue (#0000CD) is the closest CSS named color.

#3333C0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3333C0

Not just a swatch — here's how #3333C0 works with other colors. Named schemes with #3333C0 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #3333C0 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #5160DE

Egyptian Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Egyptian Blue.

Coastal Morning Lead · 5 colors

Lead #3333C0 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Egyptian Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Berry & Cream Lead · 5 colors

Lead #3333C0 Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Egyptian Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #3333C0 Secondary #6974A3 Support #9D8F88 Ink #18140F

Egyptian 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 Egyptian Blue carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #3333C0 Secondary #E86A73 Accent #F6924F Anchor #573B58 Surface #F7E7D7

Egyptian Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

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Color Lab

How #3333C0 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 13/100

Cool

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 62/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 56/100

Moderate

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

Brand distinctiveness 82/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 69/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 12/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3333C0

For UI

For branding

For interior

For fashion

People also use #3333C0 with

Carolina Blue Dark Orchid Peridot 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 8.8:1. Use

Subtle surface Use #D9D9F0 for cards and hover fills. Tint 80

Avoid beside #6333C1 — 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 #3333C0 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: #3333C0;
  --color-base-rgb: 51 51 192;
  --color-base-oklch: oklch(42.9% 0.211 273.0);
  --color-50: #F2F2FC;
  --color-100: #DEDEF7;
  --color-200: #BFBFEE;
  --color-300: #9292DD;
  --color-400: #6969C9;
  --color-500: #4747AD;
  --color-600: #3D3D85;
  --color-700: #30305F;
  --color-800: #23233E;
  --color-900: #171726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F2F2FC',
    100: '#DEDEF7',
    200: '#BFBFEE',
    300: '#9292DD',
    400: '#6969C9',
    500: '#4747AD',
    600: '#3D3D85',
    700: '#30305F',
    800: '#23233E',
    900: '#171726',
  },
}

$base: #3333C0;
$base-ink: #FFFFFF;
$base-50: #F2F2FC;
$base-100: #DEDEF7;
$base-200: #BFBFEE;
$base-300: #9292DD;
$base-400: #6969C9;
$base-500: #4747AD;
$base-600: #3D3D85;
$base-700: #30305F;
$base-800: #23233E;
$base-900: #171726;
$base-hover: #29299B;
$base-subtle: #C6C6E9;

{
    "color": {
        "base": {
            "value": "#3333C0",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FC",
                "type": "color"
            },
            "100": {
                "value": "#DEDEF7",
                "type": "color"
            },
            "200": {
                "value": "#BFBFEE",
                "type": "color"
            },
            "300": {
                "value": "#9292DD",
                "type": "color"
            },
            "400": {
                "value": "#6969C9",
                "type": "color"
            },
            "500": {
                "value": "#4747AD",
                "type": "color"
            },
            "600": {
                "value": "#3D3D85",
                "type": "color"
            },
            "700": {
                "value": "#30305F",
                "type": "color"
            },
            "800": {
                "value": "#23233E",
                "type": "color"
            },
            "900": {
                "value": "#171726",
                "type": "color"
            }
        }
    }
}

Palettes built on #3333C0

Color Lab

Pairs with #3333C0

UI roles & guardrails

In real applications

Scales

Every model

Export