What color is #3387F5?

#3387F5 is a medium, vivid blue. In RGB it is rgb(51, 135, 245), and in HSL hsl(214, 91%, 58%).

Is #3387F5 accessible as text?

On white, #3387F5 has a contrast ratio of 3.54:1 (fails WCAG AA for body text); on black it is 5.92:1 (passes). For text placed on #3387F5, use black for the best readability.

What is the closest Tailwind color to #3387F5?

The nearest Tailwind CSS token is blue-500 (#2B7FFF).

What colors go well with #3387F5?

#3387F5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F5A132. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3387F5 below.

Is #3387F5 good for buttons?

#3387F5 works well for buttons and highlights, but use black text on #3387F5 — white text only reaches 3.54:1, below the 4.5:1 needed for normal-size labels.

Is #3387F5 the same as CSS dodgerblue?

No — #3387F5 is not the CSS named color dodgerblue, but dodgerblue (#1E90FF) is the closest CSS named color.

#3387F5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3387F5

Not just a swatch — here's how #3387F5 works with other colors. Named schemes with #3387F5 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3387F5 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.

Nordic Calm Accent · 5 colors

Accent #3387F5 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Signal 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 #3387F5 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #65AFFF

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3387F5 Secondary #9BB6DE 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.

Modern Café Dominant · 5 colors

Dominant #3387F5 Anchor #3B2924 Surface #EAE5D0 Accent #789E79 Secondary #393933

Signal 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 #3387F5 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 5/100

Cool

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

Softness 42/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 71/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 78/100

High

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

Surface fit 20/100

Very low

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

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3387F5

For UI

For branding

For interior

For fashion

People also use #3387F5 with

Cyan 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 #DCE8F8 for cards and hover fills. Tint 80

Avoid beside #3246F5 — 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 #3387F5 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: #3387F5;
  --color-base-rgb: 51 135 245;
  --color-base-oklch: oklch(63.1% 0.183 256.8);
  --color-50: #F0F6FE;
  --color-100: #D8E8FD;
  --color-200: #B1D1FB;
  --color-300: #7DB0F2;
  --color-400: #4E8FE4;
  --color-500: #2A70CB;
  --color-600: #28599A;
  --color-700: #23436C;
  --color-800: #1B2E46;
  --color-900: #121D2B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  signal-blue: {
    50: '#F0F6FE',
    100: '#D8E8FD',
    200: '#B1D1FB',
    300: '#7DB0F2',
    400: '#4E8FE4',
    500: '#2A70CB',
    600: '#28599A',
    700: '#23436C',
    800: '#1B2E46',
    900: '#121D2B',
  },
}

$base: #3387F5;
$base-ink: #141310;
$base-50: #F0F6FE;
$base-100: #D8E8FD;
$base-200: #B1D1FB;
$base-300: #7DB0F2;
$base-400: #4E8FE4;
$base-500: #2A70CB;
$base-600: #28599A;
$base-700: #23436C;
$base-800: #1B2E46;
$base-900: #121D2B;
$base-hover: #0B68E2;
$base-subtle: #C9DCF5;

{
    "color": {
        "base": {
            "value": "#3387F5",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E8FD",
                "type": "color"
            },
            "200": {
                "value": "#B1D1FB",
                "type": "color"
            },
            "300": {
                "value": "#7DB0F2",
                "type": "color"
            },
            "400": {
                "value": "#4E8FE4",
                "type": "color"
            },
            "500": {
                "value": "#2A70CB",
                "type": "color"
            },
            "600": {
                "value": "#28599A",
                "type": "color"
            },
            "700": {
                "value": "#23436C",
                "type": "color"
            },
            "800": {
                "value": "#1B2E46",
                "type": "color"
            },
            "900": {
                "value": "#121D2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #3387F5

Color Lab

Pairs with #3387F5

UI roles & guardrails

In real applications

Scales

Every model

Export