What color is #378AE2?

#378AE2 is a medium, vivid blue. In RGB it is rgb(55, 138, 226), and in HSL hsl(211, 75%, 55%).

Is #378AE2 accessible as text?

On white, #378AE2 has a contrast ratio of 3.56:1 (fails WCAG AA for body text); on black it is 5.90:1 (passes). For text placed on #378AE2, use black for the best readability.

What is the closest Tailwind color to #378AE2?

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

What colors go well with #378AE2?

#378AE2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E28F36. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #378AE2 below.

Is #378AE2 good for buttons?

#378AE2 works well for buttons and highlights, but use black text on #378AE2 — white text only reaches 3.56:1, below the 4.5:1 needed for normal-size labels.

Is #378AE2 the same as CSS dodgerblue?

No — #378AE2 is not the CSS named color dodgerblue, but dodgerblue (#1E90FF) is the closest CSS named color.

#378AE2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #378AE2

Not just a swatch — here's how #378AE2 works with other colors. Named schemes with #378AE2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #378AE2 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Nordic Calm Accent · 5 colors

Accent #378AE2 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Dodger Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #378AE2 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #68B1FF

Dodger 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 Dodger Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #378AE2 Secondary #9BB6D5 Support #959386 Ink #16140F

Dodger 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 Dodger Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #378AE2 Anchor #3B2924 Surface #EAE5D0 Accent #799E78 Secondary #393933

Dodger Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #378AE2 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 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

Low

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

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 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 60/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 84/100

Very high

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

Surface fit 19/100

Very low

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

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #378AE2

For UI

For branding

For interior

For fashion

People also use #378AE2 with

Turquoise Han Purple Butterscotch 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 5.2:1. Use

Subtle surface Use #DCE8F4 for cards and hover fills. Tint 80

Avoid beside #3650E2 — 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 #378AE2 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: #378AE2;
  --color-base-rgb: 55 138 226;
  --color-base-oklch: oklch(62.6% 0.155 252.7);
  --color-50: #F1F7FE;
  --color-100: #DAEAFB;
  --color-200: #B8D5F5;
  --color-300: #87B6E8;
  --color-400: #5B97D7;
  --color-500: #3878BC;
  --color-600: #325F90;
  --color-700: #294666;
  --color-800: #1E3042;
  --color-900: #141E29;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dodger-blue: {
    50: '#F1F7FE',
    100: '#DAEAFB',
    200: '#B8D5F5',
    300: '#87B6E8',
    400: '#5B97D7',
    500: '#3878BC',
    600: '#325F90',
    700: '#294666',
    800: '#1E3042',
    900: '#141E29',
  },
}

$base: #378AE2;
$base-ink: #141310;
$base-50: #F1F7FE;
$base-100: #DAEAFB;
$base-200: #B8D5F5;
$base-300: #87B6E8;
$base-400: #5B97D7;
$base-500: #3878BC;
$base-600: #325F90;
$base-700: #294666;
$base-800: #1E3042;
$base-900: #141E29;
$base-hover: #1C6DC4;
$base-subtle: #C9DCF0;

{
    "color": {
        "base": {
            "value": "#378AE2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F7FE",
                "type": "color"
            },
            "100": {
                "value": "#DAEAFB",
                "type": "color"
            },
            "200": {
                "value": "#B8D5F5",
                "type": "color"
            },
            "300": {
                "value": "#87B6E8",
                "type": "color"
            },
            "400": {
                "value": "#5B97D7",
                "type": "color"
            },
            "500": {
                "value": "#3878BC",
                "type": "color"
            },
            "600": {
                "value": "#325F90",
                "type": "color"
            },
            "700": {
                "value": "#294666",
                "type": "color"
            },
            "800": {
                "value": "#1E3042",
                "type": "color"
            },
            "900": {
                "value": "#141E29",
                "type": "color"
            }
        }
    }
}

Palettes built on #378AE2

Color Lab

Pairs with #378AE2

UI roles & guardrails

In real applications

Scales

Every model

Export