What color is #3384DB?

#3384DB is a medium, vivid blue. In RGB it is rgb(51, 132, 219), and in HSL hsl(211, 70%, 53%).

Is #3384DB accessible as text?

On white, #3384DB has a contrast ratio of 3.84:1 (fails WCAG AA for body text); on black it is 5.46:1 (passes). For text placed on #3384DB, use black for the best readability.

What is the closest Tailwind color to #3384DB?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #3384DB?

#3384DB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DB8A33. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3384DB below.

Is #3384DB good for buttons?

#3384DB works well for buttons and highlights, but use black text on #3384DB — white text only reaches 3.84:1, below the 4.5:1 needed for normal-size labels.

Is #3384DB the same as CSS dodgerblue?

No — #3384DB is not the CSS named color dodgerblue, but dodgerblue (#1E90FF) is the closest CSS named color.

#3384DB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3384DB

Not just a swatch — here's how #3384DB works with other colors. Named schemes with #3384DB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3384DB Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Tech Product Signal · 5 colors

Signal #3384DB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #64AAFB

Signal 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 Signal Blue.

Vintage Leather Lead · 5 colors

Lead #3384DB Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

Signal 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.

Berry & Cream Lead · 5 colors

Lead #3384DB Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3384DB Secondary #96B0CF Support #9D8F89 Ink #16140F

Signal 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 Signal Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3384DB 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 8/100

Cool

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 90/100

Very high

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

Surface fit 18/100

Very low

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

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3384DB

For UI

For branding

For interior

For fashion

People also use #3384DB with

Turquoise Han Purple Peru Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.8:1. Use

Subtle surface Use #DBE7F3 for cards and hover fills. Tint 80

Avoid beside #334CDB — 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 #3384DB at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #3384DB;
  --color-base-rgb: 51 132 219;
  --color-base-oklch: oklch(60.7% 0.153 253.1);
  --color-50: #F1F7FD;
  --color-100: #DBEAFA;
  --color-200: #BAD5F3;
  --color-300: #8AB6E5;
  --color-400: #5F97D3;
  --color-500: #3D78B8;
  --color-600: #355F8C;
  --color-700: #2B4664;
  --color-800: #203041;
  --color-900: #151E28;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  signal-blue: {
    50: '#F1F7FD',
    100: '#DBEAFA',
    200: '#BAD5F3',
    300: '#8AB6E5',
    400: '#5F97D3',
    500: '#3D78B8',
    600: '#355F8C',
    700: '#2B4664',
    800: '#203041',
    900: '#151E28',
  },
}

$base: #3384DB;
$base-ink: #141310;
$base-50: #F1F7FD;
$base-100: #DBEAFA;
$base-200: #BAD5F3;
$base-300: #8AB6E5;
$base-400: #5F97D3;
$base-500: #3D78B8;
$base-600: #355F8C;
$base-700: #2B4664;
$base-800: #203041;
$base-900: #151E28;
$base-hover: #206AB8;
$base-subtle: #C8DAEE;

{
    "color": {
        "base": {
            "value": "#3384DB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F7FD",
                "type": "color"
            },
            "100": {
                "value": "#DBEAFA",
                "type": "color"
            },
            "200": {
                "value": "#BAD5F3",
                "type": "color"
            },
            "300": {
                "value": "#8AB6E5",
                "type": "color"
            },
            "400": {
                "value": "#5F97D3",
                "type": "color"
            },
            "500": {
                "value": "#3D78B8",
                "type": "color"
            },
            "600": {
                "value": "#355F8C",
                "type": "color"
            },
            "700": {
                "value": "#2B4664",
                "type": "color"
            },
            "800": {
                "value": "#203041",
                "type": "color"
            },
            "900": {
                "value": "#151E28",
                "type": "color"
            }
        }
    }
}

Palettes built on #3384DB

Color Lab

Pairs with #3384DB

UI roles & guardrails

In real applications

Scales

Every model

Export