What color is #3782D2?

#3782D2 is a medium blue. In RGB it is rgb(55, 130, 210), and in HSL hsl(211, 63%, 52%).

Is #3782D2 accessible as text?

On white, #3782D2 has a contrast ratio of 3.97:1 (fails WCAG AA for body text); on black it is 5.29:1 (passes). For text placed on #3782D2, use black for the best readability.

What is the closest Tailwind color to #3782D2?

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

What colors go well with #3782D2?

#3782D2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D28737. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3782D2 below.

Is #3782D2 good for buttons?

#3782D2 works well for buttons and highlights, but use black text on #3782D2 — white text only reaches 3.97:1, below the 4.5:1 needed for normal-size labels.

Is #3782D2 the same as CSS steelblue?

No — #3782D2 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#3782D2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3782D2

Not just a swatch — here's how #3782D2 works with other colors. Named schemes with #3782D2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3782D2 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Steel 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 #3782D2 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #66A8F2

Steel 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 Steel Blue.

Vintage Leather Lead · 5 colors

Lead #3782D2 Secondary #7F4537 Surface #E1DDC1 Accent #375245 Anchor #57233B

Steel 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 #3782D2 Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB Secondary #322B2F

Steel 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 #3782D2 Secondary #94ADCA Support #959386 Ink #16140F

Steel 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 Steel Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3782D2 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 11/100

Cool

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

Softness 45/100

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 40/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 92/100

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 70/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3782D2

For UI

For branding

For interior

For fashion

People also use #3782D2 with

Turquoise Cerulean 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 4.7:1. Use

Subtle surface Use #DBE6F2 for cards and hover fills. Tint 80

Avoid beside #374FD2 — 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 #3782D2 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: #3782D2;
  --color-base-rgb: 55 130 210;
  --color-base-oklch: oklch(59.9% 0.143 252.6);
  --color-50: #F2F7FD;
  --color-100: #DDEAF8;
  --color-200: #BDD5F0;
  --color-300: #8FB6E0;
  --color-400: #6597CD;
  --color-500: #4379B2;
  --color-600: #3A6088;
  --color-700: #2E4761;
  --color-800: #213040;
  --color-900: #161E27;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F2F7FD',
    100: '#DDEAF8',
    200: '#BDD5F0',
    300: '#8FB6E0',
    400: '#6597CD',
    500: '#4379B2',
    600: '#3A6088',
    700: '#2E4761',
    800: '#213040',
    900: '#161E27',
  },
}

$base: #3782D2;
$base-ink: #141310;
$base-50: #F2F7FD;
$base-100: #DDEAF8;
$base-200: #BDD5F0;
$base-300: #8FB6E0;
$base-400: #6597CD;
$base-500: #4379B2;
$base-600: #3A6088;
$base-700: #2E4761;
$base-800: #213040;
$base-900: #161E27;
$base-hover: #2768AD;
$base-subtle: #C9DAEC;

{
    "color": {
        "base": {
            "value": "#3782D2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F7FD",
                "type": "color"
            },
            "100": {
                "value": "#DDEAF8",
                "type": "color"
            },
            "200": {
                "value": "#BDD5F0",
                "type": "color"
            },
            "300": {
                "value": "#8FB6E0",
                "type": "color"
            },
            "400": {
                "value": "#6597CD",
                "type": "color"
            },
            "500": {
                "value": "#4379B2",
                "type": "color"
            },
            "600": {
                "value": "#3A6088",
                "type": "color"
            },
            "700": {
                "value": "#2E4761",
                "type": "color"
            },
            "800": {
                "value": "#213040",
                "type": "color"
            },
            "900": {
                "value": "#161E27",
                "type": "color"
            }
        }
    }
}

Palettes built on #3782D2

Color Lab

Pairs with #3782D2

UI roles & guardrails

In real applications

Scales

Every model

Export